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7 Min Read NASA’s SpaceX Crew-10 Looks Back at Science Mission NASA’s SpaceX Crew-10 Looks Back at Science Mission

NASA’s SpaceX Crew-10 mission with agency astronauts Anne McClain and Nichole Ayers, JAXA (Japan Aerospace Exploration Agency) astronaut Takuya Onishi, and Roscosmos cosmonaut Kirill Peskov is preparing to return to Earth in early August after a long-duration mission aboard the International Space Station. During their stay, McClain, Ayers, and Onishi completed dozens of experiments and technology demonstrations, helping push the boundaries of scientific discovery aboard the orbiting laboratory.

Here’s a look at some scientific milestones accomplished during the Crew-10 mission:

Orbital effects on plants NASA

The canisters floating in the cupola of the International Space Station contain wild-type and genetically-modified thale cress plants for the Rhodium Plant LIFE experiment. The investigation studies how radiation and gravity environments at different orbital altitudes affect plant growth by comparing Crew-10 data with plants flown aboard the Polaris Dawn mission, which flew deeper into space. Studies have shown microgravity affects growth rates, and a better understanding of the mechanisms behind this could improve plant growth techniques in space and on Earth.

Solar spacewalk NASA

NASA astronaut Anne McClain conducts a spacewalk to upgrade the International Space Station’s power generation systems, which include main solar arrays like the one visible behind her. McClain is installing hardware to support an IROSA (International Space Station Roll-Out Solar Array), a type of array that is more compact and produces more power than the station’s original ones. The IROSAs were first demonstrated aboard the orbiting laboratory in June 2017, and eight have been installed to augment the power available for scientific research and other activities.

Microalgae on the menu NASA

NASA astronaut Nichole Ayers uses the International Space Station’s Space Automated Bioproduct Laboratory to process samples for SOPHONSTER, a study of microgravity’s effects on the protein yield of microalgae. These organisms are highly nutritious, producing amino acids, fatty acids, B vitamins, iron, and fiber. The microalgae could provide sustainable meat and dairy alternatives during long-duration space missions. It also could be used to make biofuels and bioactive compounds in medicines in space and on Earth.

Looking down on lightning NASA

The International Space Station orbits more than 250 miles above Earth, giving astronauts a unique view of their home planet, where they can photograph familiar places and interesting phenomena. While passing over a stormy night, NASA astronaut Nichole Ayers captured this image of simultaneous lightning at the top of two thunderstorms. Scientists use instruments installed on the space station to study lightning and other weather conditions in Earth’s upper atmosphere. This research helps protect communication systems and aircraft while improving atmospheric models and weather predictions.

Testing the tips of DNA

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NASA

In this time-lapse video, JAXA (Japan Aerospace Exploration Agency) astronaut Takuya Onishi and NASA astronaut Nichole Ayers harvest samples for the APEX-12 investigation, which examines how space radiation affects telomere activity in thale cress plants. Telomeres, which are repetitive DNA sequences that protect the ends of chromosomes, become shorter each time a cell divides and indicate cell aging. The APEX-12 investigation could clarify the role of telomeres in aging and diseases and help scientists equip plants and other organisms for the stress of long-duration spaceflight.

Microscopic motion NASA

A fluorescent microscope, known as ELVIS, captures the motion of microscopic algae and bacteria in 3D, a new capability aboard the International Space Station. The technology could be helpful in various applications in space and on Earth, such as monitoring water quality and detecting potentially infectious organisms. NASA astronaut Anne McClain prepares bacterial samples for viewing with the microscope.

How cells sense gravity NASA

Individual cells in our bodies can respond to the effects of gravity, but how they do this is largely unknown. The Cell Gravisensing investigation is an effort to observe the mechanism that enables cells to sense gravity and could lead to therapies to treat muscle and bone conditions, like muscle atrophy during long-duration spaceflight and osteoporosis on Earth. JAXA (Japan Aerospace Exploration Agency) astronaut Takuya Onishi processes research samples in the International Space Station’s Kibo laboratory module.

Water works NASA

NASA astronauts Nichole Ayers and Anne McClain work on installing hardware for the International Space Station’s Exploration Potable Water Dispenser. Scientists are evaluating the device’s water sanitization and microbial growth reduction technology. The dispenser provides room temperature and hot water for crew consumption and food preparation. This technology could be adopted for future exploration missions.

Free-flying camera NASA

Astronaut Takuya Onishi of JAXA (Japan Aerospace Exploration Agency) monitors the JEM Internal Ball Camera 2 as it floats through the International Space Station. The free-flying, rechargeable camera provides a visual field outside the other cameras installed aboard the space station. JAXA is testing the robot’s ability to capture video and imagery of scientific experiments and other activities, which could free up crew time for research and other duties.

Two rings to pin them all NASA

NASA astronaut Nichole Ayers sets up the space station’s Ring Sheared Drop device, which uses surface tension to pin a drop of liquid between two rings. The device makes it possible to study liquid proteins without a solid container, eliminating interactions between the solutions and container walls that can affect results. The Ring Sheared Drop-IBP-2 experiment studies the behavior of protein fluids in microgravity and tests predictive computer models. Better models could help advance manufacturing processes in space and on Earth for next-generation medicines to treat cancers and other diseases.

Crystallization research NASA

NASA astronaut Anne McClain swaps out hardware in the International Space Station’s Advanced Space Experiment Processor-4, which enables physical science and crystallization research. A current investigation uses the processor to demonstrate technology that may be able to produce medications during deep space missions and improve pharmaceutical manufacturing on Earth.

Monitoring astronaut health NASA

NASA astronaut Anne McClain helps JAXA (Japan Aerospace Exploration Agency) astronaut Takuya Onishi collect a sample of his blood. Analysis of blood samples is one tool NASA uses to continuously monitor crew health, including cardiovascular and immune system functions, bone and muscle mass changes, nutritional and metabolic status, and mental well-being. Crew members aboard the International Space Station also participate in various ongoing studies to better understand how different body systems adapt to weightlessness.

Catching a corona NASA/KASI/INAF/CODEX

This animated, color-coded heat map shows temperature changes in the Sun’s outer atmosphere, or corona, over several days, with red indicating hotter regions and purple showing cooler ones. Scientists can observe these changes thanks to the International Space Station’s CODEX, which collected data during the Crew-10 mission. The instrument uses a coronagraph to block out sunlight and reveal details in the Sun’s corona. Data from this investigation could help scientists understand the energy source of the solar wind, a flow of charged particles from the Sun that constantly bombards Earth.

Expanding in-space crystallization NASA

Astronaut Takuya Onishi of JAXA (Japan Aerospace Exploration Agency) services the International Space Station’s Advanced Space Experiment Processor-4 in preparation for ADSEP-Industrial Crystallization Cassette. This investigation tests new hardware that scales up research and could enable in-space production of pharmaceuticals and other materials for commercial space applications.

Sowing seeds in space NASA

NASA astronaut Nichole Ayers prepares mixture tubes containing samples for Nanoracks Module-9 Swiss Chard. This student-designed experiment examines whether the size, shape, color, and nutritional content of Swiss chard seeds germinated in space differ from those grown on Earth. The International Space Station hosts ongoing plant research as a source of food and other benefits, including contributing to astronaut well-being, for future long-duration missions.

Protecting astronaut vision NASA

Spaceflight can cause changes to eye structure and vision, so crew members monitor eye health throughout their missions. Astronaut Takuya Onishi of JAXA (Japan Aerospace Exploration Agency), assisted by NASA astronaut Nichole Ayers, conducts an eye exam aboard the International Space Station using optical coherence tomography. This technology uses reflected light to produce 3D images of the retina, nerve fibers, and other eye structures and layers.

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Details Last Updated Aug 05, 2025 Related Terms

• ISS Research
• Humans in Space
• International Space Station (ISS)

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NASA Science Activation Teams Unite to Support Neurodiverse Learners with Public Libraries

On July 16, 2025, more than 400 public library staff from across the United States joined a powerful webinar, Serving Neurodiverse Library Patrons and Colleagues, hosted by two NASA Science Activation program teams: NASA@ My Library and NASA’s Neurodiversity Network (N3). The event brought together researchers, library professionals, and individuals with lived experience of neurodiversity to share insights and best practices for creating more inclusive and supportive environments in libraries.

Designed to equip library staff with tools and awareness, this interactive webinar explored how libraries can better serve neurodiverse patrons, such as those with autism, attention deficit hyperactivity disorder (ADHD), dyslexia, and other cognitive variations, while also supporting neurodiverse colleagues. Breakout rooms allowed participants to dive deeper into specific topics, including accessible program facilitation, supporting neurodiverse colleagues, and an “Ask Me Anything” space that encouraged open dialogue and learning.

Library staff everywhere are invited to watch the recorded webinar on YouTube and learn more about serving neurodiverse patrons and colleagues.

The collaboration between NASA@ My Library (led by the Space Science Institute), and NASA’s Neurodiversity Network (N3) (led by Sonoma State University), reflects a shared commitment to broadening participation in STEM (Science, Technology, Engineering, and Mathematics). NASA@ My Library works with public libraries nationwide to engage diverse communities in NASA science and discoveries. N3 focuses on empowering neurodiverse learners – particularly those in high school – with opportunities to engage with NASA science and explore potential STEM career pathways.

Participants left inspired, and the demand for more is clear: attendees and speakers alike expressed interest in continuing the conversation, requesting additional training, and expressing interest in organizing a future conference centered on neurodiversity and inclusion in libraries.

Youth Services Librarian and webinar panelist Molly Creveling shared, “This was such a great opportunity, and I’m extremely proud to have been able to contribute to it, I wish I was able to attend everyone’s break out room!” And participant Jason Wood expressed in the chat, “Really, really appreciate this webinar. This is one of those days I am extra proud to be a librarian. Thank you all.” Another enthusiast participant said, “This was the best webinar I’ve attended in years…more of this!”

Watch the recorded webinar.

As NASA continues to reach for the stars, it’s equally committed to ensuring that the journey is accessible to all – especially those whose unique ways of thinking and learning bring fresh perspectives to science, exploration, and discovery.

NASA@ My Library and N3, supported by NASA under cooperative agreement award numbers NNX16AE30A and  80NSSC21M0004, are part of NASA’s Science Activation Portfolio. Learn more about how Science Activation connects NASA science experts, real content, and experiences with community leaders to do science in ways that activate minds and promote deeper understanding of our world and beyond: https://science.nasa.gov/learn

Presenters included staff from NASA’s Neurodiversity Network, NASA@ My Library, Education Development Center, and the Lunar and Planetary Institute. Share

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• Opportunities For Educators to Get Involved
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NASA Science Activation Teams Unite to Support Neurodiverse Learners with Public Libraries

On July 16, 2025, more than 400 public library staff from across the United States joined a powerful webinar, Serving Neurodiverse Library Patrons and Colleagues, hosted by two NASA Science Activation program teams: NASA@ My Library and NASA’s Neurodiversity Network (N3). The event brought together researchers, library professionals, and individuals with lived experience of neurodiversity to share insights and best practices for creating more inclusive and supportive environments in libraries.

Designed to equip library staff with tools and awareness, this interactive webinar explored how libraries can better serve neurodiverse patrons, such as those with autism, attention deficit hyperactivity disorder (ADHD), dyslexia, and other cognitive variations, while also supporting neurodiverse colleagues. Breakout rooms allowed participants to dive deeper into specific topics, including accessible program facilitation, supporting neurodiverse colleagues, and an “Ask Me Anything” space that encouraged open dialogue and learning.

Library staff everywhere are invited to watch the recorded webinar on YouTube and learn more about serving neurodiverse patrons and colleagues.

The collaboration between NASA@ My Library (led by the Space Science Institute), and NASA’s Neurodiversity Network (N3) (led by Sonoma State University), reflects a shared commitment to broadening participation in STEM (Science, Technology, Engineering, and Mathematics). NASA@ My Library works with public libraries nationwide to engage diverse communities in NASA science and discoveries. N3 focuses on empowering neurodiverse learners – particularly those in high school – with opportunities to engage with NASA science and explore potential STEM career pathways.

Participants left inspired, and the demand for more is clear: attendees and speakers alike expressed interest in continuing the conversation, requesting additional training, and expressing interest in organizing a future conference centered on neurodiversity and inclusion in libraries.

Youth Services Librarian and webinar panelist Molly Creveling shared, “This was such a great opportunity, and I’m extremely proud to have been able to contribute to it, I wish I was able to attend everyone’s break out room!” And participant Jason Wood expressed in the chat, “Really, really appreciate this webinar. This is one of those days I am extra proud to be a librarian. Thank you all.” Another enthusiast participant said, “This was the best webinar I’ve attended in years…more of this!”

Watch the recorded webinar.

As NASA continues to reach for the stars, it’s equally committed to ensuring that the journey is accessible to all – especially those whose unique ways of thinking and learning bring fresh perspectives to science, exploration, and discovery.

NASA@ My Library and N3, supported by NASA under cooperative agreement award numbers NNX16AE30A and  80NSSC21M0004, are part of NASA’s Science Activation Portfolio. Learn more about how Science Activation connects NASA science experts, real content, and experiences with community leaders to do science in ways that activate minds and promote deeper understanding of our world and beyond: https://science.nasa.gov/learn

Presenters included staff from NASA’s Neurodiversity Network, NASA@ My Library, Education Development Center, and the Lunar and Planetary Institute. Share

Details Last Updated Aug 05, 2025 EditorNASA Science Editorial Team Related Terms

• Opportunities For Educators to Get Involved
• Science Activation

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Software designed to give spacecraft more autonomy could support a future where swarms of satellites navigate and complete scientific objectives with limited human intervention.

Caleb Adams, Distributed Spacecraft Autonomy project manager, monitors testing alongside the test racks containing 100 spacecraft computers at NASA’s Ames Research Center in California’s Silicon Valley. The DSA project develops and demonstrates software to enhance multi-spacecraft mission adaptability, efficiently allocate tasks between spacecraft using ad-hoc networking, and enable human-swarm commanding of distributed space missions. Credit: NASA/Brandon Torres Navarrete

Astronauts living and working on the Moon and Mars will rely on satellites to provide services like navigation, weather, and communications relays. While managing complex missions, automating satellite communications will allow explorers to focus on critical tasks instead of manually operating satellites.  

Long duration space missions will require teaming between systems on Earth and other planets. Satellites orbiting the Moon, Mars, or other distant areas face communications delays with ground operators which could limit the efficiency of their missions.  

The solution lies within the Distributed Spacecraft Autonomy (DSA) project, led by NASA’s Ames Research Center in California’s Silicon Valley, which tests how shared autonomy across distributed spacecraft missions makes spacecraft swarms more capable of self-sufficient research and maintenance by making decisions and adapting to changes with less human intervention. 

Adding autonomy to satellites makes them capable of providing services without waiting for commands from ground operators. Distributing the autonomy across multiple satellites, operating like a swarm, gives the spacecraft a “shared brain” to accomplish goals they couldn’t achieve alone. 

The DSA software, built by NASA researchers, provides the swarm with a task list, and shares each spacecraft’s distinct perspective – what it can observe, what its priorities are – and integrates those perspectives into the best plan of action for the whole swarm. That plan is supported by decision trees and mathematical models that help the swarm decide what action to take after a command is completed, how to respond to a change, or address a problem. 

Sharing the Workload

The first in-space demonstration of DSA began onboard the Starling spacecraft swarm, a group of four small satellites, demonstrating various swarm technologies. Operating since July 2023, the Starling mission continues providing a testing and validation platform for autonomous swarm operations. The swarm first used DSA to optimize scientific observations, deciding what to observe without pre-programmed instructions. These autonomous observations led to measurements that could have been missed if an operator had to individually instruct each satellite. 

The Starling swarm measured the electron content of plasma between each spacecraft and GPS satellites to capture rapidly changing phenomena in Earth’s ionosphere – where Earth’s atmosphere meets space. The DSA software allowed the swarm to independently decide what to study and how to spread the workload across the four spacecraft. 

Because each Starling spacecraft operates as an independent member within the swarm, if one swarm member was unable to accomplish its work, the other three swarm members could react and complete the mission’s goals. 

The Starling 1.0 demonstration achieved several firsts, including the first fully distributed autonomous operation of multiple spacecraft, the first use of space-to-space communications to autonomously share status information between multiple spacecraft, the first demonstration of fully distributed reactive operations onboard multiple spacecraft, the first use of a general-purpose automated reasoning system onboard a spacecraft, and the first use of fully distributed automated planning onboard multiple spacecraft. These achievements laid the groundwork for Starling 1.5+, an ongoing continuation of the satellite swarm’s mission using DSA.  

Advanced testing of DSA onboard Starling shows that distributed autonomy in spacecraft swarms can improve efficiencies while reducing the workload on human operators.Credit: NASA/Daniel Rutter A Helping Hand in Orbit 

After DSA’s successful demonstration on Starling 1.0, the team began exploring additional opportunities to use the software to support satellite swarm health and efficiency. Continued testing of DSA on Starling’s extended mission included PLEXIL (Plan Execution Interchange Language), a NASA-developed programming language designed for reliable and flexible automation of complex spacecraft operations. 

Onboard Starling, the PLEXIL application demonstrated autonomous maintenance, allowing the swarm to manage normal spacecraft operations, correct issues, or distribute software updates across individual spacecraft.  

Enhanced autonomy makes swarm operation in deep space feasible – instead of requiring spacecraft to communicate back and forth between their distant location and Earth, which can take minutes or hours depending on distance, the PLEXIL-enabled DSA software gives the swarm the ability to make decisions collaboratively to optimize their mission and reduce workloads. 

Simulated Lunar Swarming 

To understand the scalability of DSA, the team used ground-based flight computers to simulate a lunar swarm of virtual small spacecraft. The computers simulated a swarm that provides position, navigation, and timing services on the Moon, similar to GPS services on Earth, which rely on a network of satellites to pinpoint locations. 

The DSA team ran nearly one hundred tests over two years, demonstrating swarms of different sizes at high and low lunar orbits. The lessons learned from those early tests laid the groundwork for additional scalability studies. The second round of testing, set to begin in 2026, will demonstrate even larger swarms, using flight computers that could later go into orbit with DSA software onboard. 

The Future of Spacecraft Swarms 

Orbital and simulated tests of DSA are a launchpad to increased use of distributed autonomy across spacecraft swarms. Developing and proving these technologies increases efficiency, decreases costs, and enhances NASA’s capabilities opening the door to autonomous spacecraft swarms supporting missions to the Moon, Mars, and beyond.  

Milestones:

• October 2018: DSA project development begins.
• April 2020: Lunar position, navigation, and timing (LPNT) simulation demonstration development begins.
• July 2023: DSA launches onboard the Starling spacecraft swarm.
• March 2024: DSA experiments onboard Starling reach the necessary criteria for success.
• July 2024: DSA software development begins for the Starling 1.5+ mission extension.
• September 2024: LPNT simulation demonstration concludes successfully.
• October 2024: DSA’s extended mission as part of Starling 1.5+ begins.

Partners:

NASA Ames leads the Distributed Spacecraft Autonomy and Starling projects. NASA’s Game Changing Development program within the agency’s Space Technology Mission Directorate provided funding for the DSA experiment. NASA’s Small Spacecraft Technology program within the Space Technology Mission Directorate funds and manages the Starling mission and the DSA project.  

Learn More:

• Satellite Swarms for Science ‘Grow up’ at NASA Ames (NASA Story, June 2023)
• NASA’s Starling Mission Sending Swarm of Satellites into Orbit (NASA Story, July 2023)
• Swarming for Success: Starling Completes Primary Mission (NASA Story, May 2024)
• NASA Demonstrates Software ‘Brains’ Shared Across Satellite Swarms (NASA Story, February 2025)

For researchers:

• Distributed Spacecraft Autonomy Mission Page
• Distributed Spacecraft Autonomy TechPort Project Page
• Starling Mission Page

For media:

Members of the news media interested in covering this topic should reach out to the NASA Ames newsroom.

Software designed to give spacecraft more autonomy could support a future where swarms of satellites navigate and complete scientific objectives with limited human intervention.

Caleb Adams, Distributed Spacecraft Autonomy project manager, monitors testing alongside the test racks containing 100 spacecraft computers at NASA’s Ames Research Center in California’s Silicon Valley. The DSA project develops and demonstrates software to enhance multi-spacecraft mission adaptability, efficiently allocate tasks between spacecraft using ad-hoc networking, and enable human-swarm commanding of distributed space missions. Credit: NASA/Brandon Torres Navarrete

Astronauts living and working on the Moon and Mars will rely on satellites to provide services like navigation, weather, and communications relays. While managing complex missions, automating satellite communications will allow explorers to focus on critical tasks instead of manually operating satellites.  

Long duration space missions will require teaming between systems on Earth and other planets. Satellites orbiting the Moon, Mars, or other distant areas face communications delays with ground operators which could limit the efficiency of their missions.  

The solution lies within the Distributed Spacecraft Autonomy (DSA) project, led by NASA’s Ames Research Center in California’s Silicon Valley, which tests how shared autonomy across distributed spacecraft missions makes spacecraft swarms more capable of self-sufficient research and maintenance by making decisions and adapting to changes with less human intervention. 

Adding autonomy to satellites makes them capable of providing services without waiting for commands from ground operators. Distributing the autonomy across multiple satellites, operating like a swarm, gives the spacecraft a “shared brain” to accomplish goals they couldn’t achieve alone. 

The DSA software, built by NASA researchers, provides the swarm with a task list, and shares each spacecraft’s distinct perspective – what it can observe, what its priorities are – and integrates those perspectives into the best plan of action for the whole swarm. That plan is supported by decision trees and mathematical models that help the swarm decide what action to take after a command is completed, how to respond to a change, or address a problem. 

Sharing the Workload

The first in-space demonstration of DSA began onboard the Starling spacecraft swarm, a group of four small satellites, demonstrating various swarm technologies. Operating since July 2023, the Starling mission continues providing a testing and validation platform for autonomous swarm operations. The swarm first used DSA to optimize scientific observations, deciding what to observe without pre-programmed instructions. These autonomous observations led to measurements that could have been missed if an operator had to individually instruct each satellite. 

The Starling swarm measured the electron content of plasma between each spacecraft and GPS satellites to capture rapidly changing phenomena in Earth’s ionosphere – where Earth’s atmosphere meets space. The DSA software allowed the swarm to independently decide what to study and how to spread the workload across the four spacecraft. 

Because each Starling spacecraft operates as an independent member within the swarm, if one swarm member was unable to accomplish its work, the other three swarm members could react and complete the mission’s goals. 

The Starling 1.0 demonstration achieved several firsts, including the first fully distributed autonomous operation of multiple spacecraft, the first use of space-to-space communications to autonomously share status information between multiple spacecraft, the first demonstration of fully distributed reactive operations onboard multiple spacecraft, the first use of a general-purpose automated reasoning system onboard a spacecraft, and the first use of fully distributed automated planning onboard multiple spacecraft. These achievements laid the groundwork for Starling 1.5+, an ongoing continuation of the satellite swarm’s mission using DSA.  

Advanced testing of DSA onboard Starling shows that distributed autonomy in spacecraft swarms can improve efficiencies while reducing the workload on human operators.Credit: NASA/Daniel Rutter A Helping Hand in Orbit 

After DSA’s successful demonstration on Starling 1.0, the team began exploring additional opportunities to use the software to support satellite swarm health and efficiency. Continued testing of DSA on Starling’s extended mission included PLEXIL (Plan Execution Interchange Language), a NASA-developed programming language designed for reliable and flexible automation of complex spacecraft operations. 

Onboard Starling, the PLEXIL application demonstrated autonomous maintenance, allowing the swarm to manage normal spacecraft operations, correct issues, or distribute software updates across individual spacecraft.  

Enhanced autonomy makes swarm operation in deep space feasible – instead of requiring spacecraft to communicate back and forth between their distant location and Earth, which can take minutes or hours depending on distance, the PLEXIL-enabled DSA software gives the swarm the ability to make decisions collaboratively to optimize their mission and reduce workloads. 

Simulated Lunar Swarming 

To understand the scalability of DSA, the team used ground-based flight computers to simulate a lunar swarm of virtual small spacecraft. The computers simulated a swarm that provides position, navigation, and timing services on the Moon, similar to GPS services on Earth, which rely on a network of satellites to pinpoint locations. 

The DSA team ran nearly one hundred tests over two years, demonstrating swarms of different sizes at high and low lunar orbits. The lessons learned from those early tests laid the groundwork for additional scalability studies. The second round of testing, set to begin in 2026, will demonstrate even larger swarms, using flight computers that could later go into orbit with DSA software onboard. 

The Future of Spacecraft Swarms 

Orbital and simulated tests of DSA are a launchpad to increased use of distributed autonomy across spacecraft swarms. Developing and proving these technologies increases efficiency, decreases costs, and enhances NASA’s capabilities opening the door to autonomous spacecraft swarms supporting missions to the Moon, Mars, and beyond.  

Milestones:

• October 2018: DSA project development begins.
• April 2020: Lunar position, navigation, and timing (LPNT) simulation demonstration development begins.
• July 2023: DSA launches onboard the Starling spacecraft swarm.
• March 2024: DSA experiments onboard Starling reach the necessary criteria for success.
• July 2024: DSA software development begins for the Starling 1.5+ mission extension.
• September 2024: LPNT simulation demonstration concludes successfully.
• October 2024: DSA’s extended mission as part of Starling 1.5+ begins.

Partners:

NASA Ames leads the Distributed Spacecraft Autonomy and Starling projects. NASA’s Game Changing Development program within the agency’s Space Technology Mission Directorate provided funding for the DSA experiment. NASA’s Small Spacecraft Technology program within the Space Technology Mission Directorate funds and manages the Starling mission and the DSA project.  

Learn More:

• Satellite Swarms for Science ‘Grow up’ at NASA Ames (NASA Story, June 2023)
• NASA’s Starling Mission Sending Swarm of Satellites into Orbit (NASA Story, July 2023)
• Swarming for Success: Starling Completes Primary Mission (NASA Story, May 2024)
• NASA Demonstrates Software ‘Brains’ Shared Across Satellite Swarms (NASA Story, February 2025)

For researchers:

• Distributed Spacecraft Autonomy Mission Page
• Distributed Spacecraft Autonomy TechPort Project Page
• Starling Mission Page

For media:

Members of the news media interested in covering this topic should reach out to the NASA Ames newsroom.

August 5, 2025

Science Observations Remain Paused for NASA’s NICER Telescope

Science operations by NASA’s NICER (Neutron star Interior Composition Explorer), an X-ray telescope on the International Space Station, remain paused as the team continues to evaluate the telescope’s systems after an issue developed with one of its motors. The motor is unable to move NICER beyond its current position side to side, and the telescope’s status has not changed since operations were halted June 17.

The primary goal is to move NICER into its stowed configuration in case it needs to accommodate space station activities, though the current placement does not pose a safety issue to the station or crew. The team currently does not have a timeframe for returning to science operations.

Photos taken by robotic cameras outside the station are helping eliminate external causes for the issue. Now the team is coordinating with space station personnel to perform troubleshooting maneuvers and determine potential causes within the payload.  

Since it began observing the X-ray universe in 2017, NICER has successfully demonstrated a form of deep space navigation that could be used for travel to Mars and beyond.

Designed for a prime mission of 18 months and now in its eighth year of operations, NICER has made groundbreaking measurements of neutron stars, which contain the densest matter in the universe that we can measure, and revolutionized our understanding of black holes, active galaxies, and other mysterious phenomena in our universe. Technology developed to test NICER before launch is being incorporated into prototype portable CT scanners, communications systems, and several other applications on Earth for the benefit of all.

June 24, 2025

NASA’s NICER Telescope Suspends Science Operations

NASA’s NICER (Neutron star Interior Composition Explorer), an X-ray telescope on the International Space Station, has paused observations due to a problem with one of the motors that drives its ability to track cosmic objects.

The NICER team paused operations June 17 when performance degradation in the motor began affecting science observations. Engineers are investigating the cause and potential solutions.

The telescope was installed near the space station’s starboard solar array in 2017. The NICER mission has successfully demonstrated a form of deep space navigation that could be used for travel to Mars and beyond. It has also made groundbreaking measurements of neutron stars, which contain the densest matter in the universe that we can measure, and revolutionized our understanding of black holes, active galaxies, and other mysterious phenomena in our universe.

April 17, 2025

Following Repair, NASA’s NICER Improves Daytime Measurements

A NASA X-ray telescope on the International Space Station called NICER, or Neutron star Interior Composition Explorer, has regained additional daytime observation capabilities thanks to repairs completed during a spacewalk and a reconfiguration of its detectors.

In May 2023, NICER developed a light leak in which unwanted sunlight began entering the instrument. Photos taken from inside the space station revealed several small areas of damage to the telescope’s thin thermal shields, which block sunlight while allowing X-rays through to the detectors. Nighttime observations were unaffected, and with operational adjustments, the NICER team was able to recover about 20% of station daytime observations.

In January, NASA astronaut Nick Hague installed nine patches to cover the largest areas of damage during a spacewalk. After resuming science operations, the NICER team determined the overall level of sunlight inside NICER had substantially reduced. Still, it experienced more visible-light interference than expected.

The NICER (Neutron star Interior Composition Explorer) X-ray telescope is reflected on NASA astronaut and Expedition 72 flight engineer Nick Hague’s spacesuit helmet visor in this high-flying “space-selfie” taken during a spacewalk on Jan. 16, 2025. NASA/Nick Hague

Close-up, high-resolution photos from the spacewalk allowed the team to see additional small holes and cracks in the thermal shields that were not previously visible. These accounted for the remaining sunlight intrusion.

After further analysis, the NICER team developed a novel approach to regaining additional daytime data collection.

Each X-ray that hits a NICER detector generates electrical charge that is sensed by a measurement/power unit (MPU). After so many hits, the detector resets — like emptying a cup before it overflows.

Sunlight can also create charge that accumulates in the detector, adding water to the metaphorical cup. There was so much sunlight entering NICER that the detectors were filling up with charge and resetting thousands of times for every X-ray detection. It overwhelmed the MPU’s ability to process the valid X-ray events.

Hague’s repair in January reduced the amount of sunlight entering NICER, which enabled the team to reconfigure the MPUs to ignore the sunlight-generated resets. After initial testing on the ground, the team updated one MPU before switching all seven. The changeover was completed March 12.

In combination with the patches, the reconfiguration has allowed NICER to return to collecting observations during more than 70% of station daytime, as the telescope continues to help us better understand the X-ray universe, including neutron stars, black holes, and other energetic phenomena. The team continues to look for more opportunities to improve NICER’s operations.

Jan. 24, 2025

NASA’s NICER Continues Science Operations Post Repair

NASA crew aboard the International Space Station installed patches to the agency’s NICER (Neutron star Interior Composition Explorer) mission during a spacewalk on Jan. 16. NICER, an X-ray telescope perched near the station’s starboard solar array, resumed science operations later the same day.

The patches cover areas of NICER’s thermal shields where damage was discovered in May 2023. These thin filters block sunlight while allowing X-rays to pass through. After the discovery, the NICER team restricted their observations during the station’s daytime to avoid overwhelming the mission’s sensitive detectors. Nighttime observations were unaffected, and the team was able to continue collecting data for the science community to make groundbreaking measurements using the instrument’s full capabilities.

The repair went according to plan. Data since collected shows the detectors behind the patched areas are performing better than before during station night, and the overall level of sunlight inside NICER during the daytime is reduced substantially.

While NICER experiences less interference from sunlight than before, after analyzing initial data, the team has determined the telescope still experiences more interference than expected. The installed patches cover areas of known damage identified using astronomical observations and from photos taken by both external robotic cameras and astronauts inside the space station. Measurements collected since the repair and close-up, high-resolution photos obtained during the spacewalk are providing new information that may point the way toward further daytime data collection.

In the meantime, NICER continues operations with its full measurement capabilities during orbit night to enable further trailblazing discoveries in time domain and multimessenger astrophysics.

June 8, 2023

Sunlight ‘Leak’ Impacting NASA’s NICER Telescope, Science Continues

On Tuesday, May 22, NASA’s NICER (Neutron Star Interior Composition Explorer), an X-ray telescope on the International Space Station, developed a “light leak,” in which unwanted sunlight enters the instrument. While analyzing incoming data since then, the team identified an impact to daytime observations. Nighttime observations seem to be unaffected.

The team suspects that at least one of the thin thermal shields on NICER’s 56 X-ray Concentrators has been damaged, allowing sunlight to reach its sensitive detectors.

To mitigate the effects on measurements, the NICER team has limited daytime observations to objects far away from the Sun’s position in the sky. The team has also updated commands to NICER that automatically lower its sensitivity during the orbital day to reduce the effects from sunlight contamination. The team is evaluating these changes and assessing additional measures to reduce the impact on science observations.

To date, more than 300 scientific papers have used NICER observations, and the team is confident that NICER will continue to produce world-class science.

Media contacts

Alise Fisher
202-358-2546
alise.m.fisher@nasa.gov
NASA Headquarters, Washington

Claire Andreoli
301-286-1940
claire.andreoli@nasa.gov
NASA’s Goddard Space Flight Center, Greenbelt, Md.

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NASA/Robert Markowitz

Second Lady Usha Vance and NASA astronaut Suni Williams listen to the audience in this image from Aug. 4, 2025. Ms. Vance joined Williams at NASA’s Johnson Space Center in Houston for a summer reading challenge event, through which the Second Lady encourages youth to seek adventure, imagination, and discovery between the pages of a book.

Image credit: NASA/Robert Markowitz

NASA

Second Lady Usha Vance and NASA Astronaut Suni Williams listen to the audience in this image from Aug. 4, 2025. Ms. Vance joined Williams at NASA’s Johnson Space Center in Houston for a summer reading challenge event, through which the Second Lady encourages youth to seek adventure, imagination, and discovery between the pages of a book.

Image credit: NASA

Second Lady Usha Vance hosted a special Summer Reading Challenge event at NASA’s Johnson Space Center in Houston on Aug. 4, 2025. She was joined by NASA astronaut Suni Williams to read a space-themed book to children in grades K-8 as part of her initiative to promote literacy.

Is the Helix Nebula looking at you?

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Curiosity Blog, Sols 4616-4617: Standing Tall on the Ridge NASA’s Mars rover Curiosity acquired this image, showing the impressive landscape it is currently navigating. The rover is standing tall on the ridge, its shadow casting forward, and Mount Sharp towers over the scene in the distance. Curiosity captured this image with its Front Hazard Avoidance Camera (Front Hazcam) on July 30, 2025 — Sol 4614, or Martian day 4,614 of the Mars Science Laboratory mission — at 02:24:02 UTC. NASA/JPL-Caltech

Written by Susanne P. Schwenzer, Professor of Planetary Mineralogy at The Open University, UK

Earth planning date: Wednesday, July 30, 2025

The day started with a little celebration of NISAR, a new Earth observation satellite that made it successfully into orbit a few hours before our planning started. We joined in by saying “GO NISAR, NASA, JPL, and ISRO” (the Indian Space Research Organisation, NASA’s mission partner, which launched NISAR). Learn more at the NISAR mission hub. Although our team studies Mars, Earth is a planet, too, and we are very happy for our colleagues’ successful launch!

On Mars, it’s still winter and the topic of every planning is how to maximize the science we can do given the increased power needs for heating our rover at this time of the year. Curiosity is parked on top of the main ridge, nicknamed the “autobahn.” It turned out to be not as smooth as its terrestrial namesake, as you can see in the image above. To arrive at this parking position, our rover drivers decided to take a small detour down into a flatter area and back up onto the ridge for safe off-road driving. The rover’s parking position allows for beautiful views around us, laying out the land of hollows and ridges perfectly to plan our next steps and to admire Mount Sharp in the distance.

Standing tall on the ridge, we got several investigations of the ridge-forming materials into today’s plan. APXS, MAHLI, and ChemCam are all teaming up to investigate the target “El Salto.” This is a target that could get us a glimpse into what formed the central line that is running along the big ridge. If you look closely at the images there are subtle differences in color and texture, and we are all curious whether that translates to chemical differences, too.

Of course, it’s not all about chemistry. Mastcam is busy documenting a small mound, and its context with veins and the hollow surrounding it, at the target “Llullaillaco.” The target “Cementerio De Tortugas” will capture sand ripples within a trough area, there is an extension of the workspace imaging in the plan for more context of today’s observations, and finally the ridge intersection is of interest at the target “Villa Abecia.” Of course, Mastcam didn’t forget the documentation of the ChemCam target “El Salto” and the AEGIS target from the last plan. Speaking of ChemCam: It’s using its imaging capabilities to document the side of the ridge to give finer details of the sedimentary structures of the target “Llullaillaco.”

Atmospheric observations are also of highest interest at this time of the day. We continue our atmospheric monitoring by looking for dust devils as well as up toward the clouds in a joint observation with the CASSIS instrument, which is aboard the European Space Agency’s Trace Gas Orbiter. In addition, Curiosity continues to monitor wind and temperature throughout the plan, and the DAN (dynamic albedo of neutrons) instrument observes the rocks underneath the rover for their water content.

After completing the observations at the current parking location, Curiosity will be driving off the ridge again, but this time to stay within the hollow, so we can make observations of the material that forms those hollows. Let’s see if we can find any chemical differences between those materials that might explain why one is standing up tall and the other one is weathering out. If you want to get a better impression of what I am talking about when I say ridges and troughs, have a look at this recent navigation camera mosaic.

Learn more about Curiosity’s science instruments

For more Curiosity blog posts, visit MSL Mission Updates

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Curiosity Blog, Sols 4616-4617: Standing Tall on the Ridge NASA’s Mars rover Curiosity acquired this image, showing the impressive landscape it is currently navigating. The rover is standing tall on the ridge, its shadow casting forward, and Mount Sharp towers over the scene in the distance. Curiosity captured this image with its Front Hazard Avoidance Camera (Front Hazcam) on July 30, 2025 — Sol 4614, or Martian day 4,614 of the Mars Science Laboratory mission — at 02:24:02 UTC.NASA/JPL-Caltech

Written by Susanne P. Schwenzer, Professor of Planetary Mineralogy at The Open University, UK

Earth planning date: Wednesday, July 30, 2025

The day started with a little celebration of NISAR, a new Earth observation satellite that made it successfully into orbit a few hours before our planning started. We joined in by saying “GO NISAR, NASA, JPL, and ISRO” (the Indian Space Research Organisation, NASA’s mission partner, which launched NISAR). Learn more at the NISAR mission hub. Although our team studies Mars, Earth is a planet, too, and we are very happy for our colleagues’ successful launch!

On Mars, it’s still winter and the topic of every planning is how to maximize the science we can do given the increased power needs for heating our rover at this time of the year. Curiosity is parked on top of the main ridge, nicknamed the “autobahn.” It turned out to be not as smooth as its terrestrial namesake, as you can see in the image above. To arrive at this parking position, our rover drivers decided to take a small detour down into a flatter area and back up onto the ridge for safe off-road driving. The rover’s parking position allows for beautiful views around us, laying out the land of hollows and ridges perfectly to plan our next steps and to admire Mount Sharp in the distance.

Standing tall on the ridge, we got several investigations of the ridge-forming materials into today’s plan. APXS, MAHLI, and ChemCam are all teaming up to investigate the target “El Salto.” This is a target that could get us a glimpse into what formed the central line that is running along the big ridge. If you look closely at the images there are subtle differences in color and texture, and we are all curious whether that translates to chemical differences, too.

Of course, it’s not all about chemistry. Mastcam is busy documenting a small mound, and its context with veins and the hollow surrounding it, at the target “Llullaillaco.” The target “Cementerio De Tortugas” will capture sand ripples within a trough area, there is an extension of the workspace imaging in the plan for more context of today’s observations, and finally the ridge intersection is of interest at the target “Villa Abecia.” Of course, Mastcam didn’t forget the documentation of the ChemCam target “El Salto” and the AEGIS target from the last plan. Speaking of ChemCam: It’s using its imaging capabilities to document the side of the ridge to give finer details of the sedimentary structures of the target “Llullaillaco.”

Atmospheric observations are also of highest interest at this time of the day. We continue our atmospheric monitoring by looking for dust devils as well as up toward the clouds in a joint observation with the CASSIS instrument, which is aboard the European Space Agency’s Trace Gas Orbiter. In addition, Curiosity continues to monitor wind and temperature throughout the plan, and the DAN (dynamic albedo of neutrons) instrument observes the rocks underneath the rover for their water content.

After completing the observations at the current parking location, Curiosity will be driving off the ridge again, but this time to stay within the hollow, so we can make observations of the material that forms those hollows. Let’s see if we can find any chemical differences between those materials that might explain why one is standing up tall and the other one is weathering out. If you want to get a better impression of what I am talking about when I say ridges and troughs, have a look at this recent navigation camera mosaic.

Learn more about Curiosity’s science instruments For more Curiosity blog posts, visit MSL Mission Updates Share

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Explore More 2 min read Curiosity Blog, Sols 4614-4615: Driving Along the Boxwork Article 6 days ago 3 min read Spheres in the Sand Article 6 days ago 2 min read Curiosity Blog, Sols 4611-4613: Scenic Overlook Article 7 days ago Keep Exploring Discover More Topics From NASA Mars

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NASA’s Black Marble: Stories from the Night Sky Earth (ESD)

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Viewed from space, Earth at night tells endless stories. Using satellite data, we can track population growth, natural disaster damage, cultural celebrations, and even space weather. Studying these glowing patterns helps us understand human activity, respond to disasters, and witness a changing world.

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NASA’s Black Marble: Stories from the Night Sky Earth (ESD)

• Earth
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Viewed from space, Earth at night tells endless stories. Using satellite data, we can track population growth, natural disaster damage, cultural celebrations, and even space weather. Studying these glowing patterns helps us understand human activity, respond to disasters, and witness a changing world.

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Explore More 4 min read NUBE: New Card Game Helps Learners Identify Cloud Types Through Play Article 3 days ago 6 min read NASA’s TRACERS Studies Explosive Process in Earth’s Magnetic Shield Article 3 weeks ago 2 min read Polar Tourists Give Positive Reviews to NASA Citizen Science in Antarctica Article 4 weeks ago Keep Exploring Discover More Topics From NASA Earth

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4 min read

STEM Educators Are Bringing Hands-On NASA Science into Virginia Classrooms

Professional learning experiences are integral to the enhancement of classroom instruction. Teachers, at the forefront of Science, Technology, Engineering, & Mathematics (STEM) education, play a key role in the advancement of STEM learning ecosystems and citizen science.

On June 24-25, 2025 – despite a major east coast heat wave – twenty-four educators from eight school districts in the Hampton Roads region of southeastern Virginia (Newport News, Hampton City, Virginia Beach City, Isle of Wight County, Poquoson City, Norfolk, York County, and Suffolk Public Schools) converged at the National Institute of Aerospace (NIA) in Hampton, VA for a professional development workshop led by experts from NASA Langley Research Center and the NASA Science Activation program’s NIA-led NASA eClips team. Developed in collaboration with another NASA Science Activation team, GLOBE (Global Learning and Observations to Benefit the Environment) Mission Earth, and with support from the Coastal Virginia STEM Hub (COVA STEM) – a “STEM learning ecosystem targeting pre-K to adult residents in Coastal Virginia” – this two-day training, also provided comprehensive resources, including lesson plans, pacing guides, classroom activities, and books, all designed for integration into Hampton Roads classrooms.

The NASA Langley team led workshop participants through a training about GLOBE, a program dedicated to advancing Earth System science through data collected by volunteer members of the public, also known as ‘citizen scientists’. GLOBE invites educators, students, and members of the public worldwide (regardless of citizenship) to collect and submit cloud, surface temperature, and land cover observations using the GLOBE Observer app – a real-time data collection tool available right on their smartphones. These observations are then used to help address scientific questions at local, regional, and global scales. Through this training, the educators participated in K-20 classroom-friendly sample lessons, hands-on activities, and exploring the GLOBE Observer app, ultimately qualifying them as GLOBE Certified Educators. Earth System science lessons, activities, and information on how to download the GLOBE Observer citizen science app are available on the GLOBE website. Similarly, NASA eClips, which focuses on increasing STEM literacy in K-12 students, provided educators with free, valuable, standards-based classroom resources such as educator guides, informational videos, engineering design packets, and hands-on activities, which are available to educators and students alike on the NASA eClips’ website. Throughout the training, educators collaborated in grade-level groups, brainstorming new ways to integrate these standards-based NASA science resources.

One educator envisioned incorporating GLOBE’s cloud resources and supportive NASA eClips videos into her energy budget unit. Others explored modifying a heat-lamp experiment to include humidity and heat capacity. One teacher enthusiastically noted in response to a GLOBE urban heat island lesson plan, “The hands-on elements are going to be really great deliverables!” The creative energy and passion for education were palpable.

The dedication of both NIA and NASA Langley to education and local community support was evident. This professional learning experience offered educators immediately-applicable classroom activities and fostered connections among NASA science, NASA eClips, the GLOBE Program, and fellow educators across district lines. One educator highlighted the value of these networking opportunities, stating, “I do love that we’re able to collaborate with our colleagues so we can plan for our future units during the school year”. Another participant commented, “This is a great program…I am going to start embedding [this] in our curriculum.”

GME (supported by NASA under cooperative agreement award number NNX16AC54A) and NASA eClips (supported by NASA under cooperative agreement award number NNX16AB91A) are part of NASA’s Science Activation Portfolio. Learn more about how Science Activation connects NASA science experts, real content, and experiences with community leaders to do science in ways that activate minds and promote deeper understanding of our world and beyond: https://science.nasa.gov/learn

GLOBE educator Marilé Colón Robles demonstrates a kinesthetic activity. Share

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James Webb Space Telescope

Webb is the premier observatory of the next decade, serving thousands of astronomers worldwide. It studies every phase in the…

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4 min read

STEM Educators Are Bringing Hands-On NASA Science into Virginia Classrooms

Professional learning experiences are integral to the enhancement of classroom instruction. Teachers, at the forefront of Science, Technology, Engineering, & Mathematics (STEM) education, play a key role in the advancement of STEM learning ecosystems and citizen science.

On June 24-25, 2025 – despite a major east coast heat wave – twenty-four educators from eight school districts in the Hampton Roads region of southeastern Virginia (Newport News, Hampton City, Virginia Beach City, Isle of Wight County, Poquoson City, Norfolk, York County, and Suffolk Public Schools) converged at the National Institute of Aerospace (NIA) in Hampton, VA for a professional development workshop led by experts from NASA Langley Research Center and the NASA Science Activation program’s NIA-led NASA eClips team. Developed in collaboration with another NASA Science Activation team, GLOBE (Global Learning and Observations to Benefit the Environment) Mission Earth, and with support from the Coastal Virginia STEM Hub (COVA STEM) – a “STEM learning ecosystem targeting pre-K to adult residents in Coastal Virginia” – this two-day training, also provided comprehensive resources, including lesson plans, pacing guides, classroom activities, and books, all designed for integration into Hampton Roads classrooms.

The NASA Langley team led workshop participants through a training about GLOBE, a program dedicated to advancing Earth System science through data collected by volunteer members of the public, also known as ‘citizen scientists’. GLOBE invites educators, students, and members of the public worldwide (regardless of citizenship) to collect and submit cloud, surface temperature, and land cover observations using the GLOBE Observer app – a real-time data collection tool available right on their smartphones. These observations are then used to help address scientific questions at local, regional, and global scales. Through this training, the educators participated in K-20 classroom-friendly sample lessons, hands-on activities, and exploring the GLOBE Observer app, ultimately qualifying them as GLOBE Certified Educators. Earth System science lessons, activities, and information on how to download the GLOBE Observer citizen science app are available on the GLOBE website. Similarly, NASA eClips, which focuses on increasing STEM literacy in K-12 students, provided educators with free, valuable, standards-based classroom resources such as educator guides, informational videos, engineering design packets, and hands-on activities, which are available to educators and students alike on the NASA eClips’ website. Throughout the training, educators collaborated in grade-level groups, brainstorming new ways to integrate these standards-based NASA science resources.

One educator envisioned incorporating GLOBE’s cloud resources and supportive NASA eClips videos into her energy budget unit. Others explored modifying a heat-lamp experiment to include humidity and heat capacity. One teacher enthusiastically noted in response to a GLOBE urban heat island lesson plan, “The hands-on elements are going to be really great deliverables!” The creative energy and passion for education were palpable.

The dedication of both NIA and NASA Langley to education and local community support was evident. This professional learning experience offered educators immediately-applicable classroom activities and fostered connections among NASA science, NASA eClips, the GLOBE Program, and fellow educators across district lines. One educator highlighted the value of these networking opportunities, stating, “I do love that we’re able to collaborate with our colleagues so we can plan for our future units during the school year”. Another participant commented, “This is a great program…I am going to start embedding [this] in our curriculum.”

GME (supported by NASA under cooperative agreement award number NNX16AC54A) and NASA eClips (supported by NASA under cooperative agreement award number NNX16AB91A) are part of NASA’s Science Activation Portfolio. Learn more about how Science Activation connects NASA science experts, real content, and experiences with community leaders to do science in ways that activate minds and promote deeper understanding of our world and beyond: https://science.nasa.gov/learn

GLOBE educator Marilé Colón Robles demonstrates a kinesthetic activity. Share

Details Last Updated Aug 04, 2025 EditorNASA Science Editorial TeamLocationNASA Langley Research Center Related Terms

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Explore More 4 min read NUBE: New Card Game Helps Learners Identify Cloud Types Through Play Article 3 days ago 3 min read NASA eClips STEM Student Ambassadors Light Up CNU’s 2025 STEM Community Day Article 2 weeks ago 2 min read GLOBE-Trotting Science Lands in Chesapeake with NASA eClips Article 2 weeks ago Keep Exploring Discover More Topics From NASA James Webb Space Telescope

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With one of its solar arrays deployed, NASA’s Lunar Trailblazer sits in a clean room at Lockheed Martin Space in Colorado during testing in August 2024. The mission was to investigate the nature of the Moon’s water, but controllers lost contact with the spacecraft a day after launch in February 2025.Lockheed Martin Space

The small satellite was to map lunar water, but operators lost contact with the spacecraft the day after launch and were unable to recover the mission.

NASA’s Lunar Trailblazer ended its mission to the Moon on July 31. Despite extensive efforts, mission operators were unable to establish two-way communications after losing contact with the spacecraft the day following its Feb. 26 launch.

The mission aimed to produce high-resolution maps of water on the Moon’s surface and determine what form the water is in, how much is there, and how it changes over time. The maps would have supported future robotic and human exploration of the Moon as well as commercial interests while also contributing to the understanding of water cycles on airless bodies throughout the solar system.

Lunar Trailblazer shared a ride on the second Intuitive Machines robotic lunar lander mission, IM-2, which lifted off at 7:16 p.m. EST on Feb. 26 aboard a SpaceX Falcon 9 rocket from the agency’s Kennedy Space Center in Florida. The small satellite separated as planned from the rocket about 48 minutes after launch to begin its flight to the Moon. Mission operators at Caltech’s IPAC in Pasadena established communications with the small spacecraft at 8:13 p.m. EST. Contact was lost the next day.

Without two-way communications, the team was unable to fully diagnose the spacecraft or perform the thruster operations needed to keep Lunar Trailblazer on its flight path.

“At NASA, we undertake high-risk, high-reward missions like Lunar Trailblazer to find revolutionary ways of doing new science,” said Nicky Fox, associate administrator, Science Mission Directorate at NASA Headquarters in Washington. “While it was not the outcome we had hoped for, mission experiences like Lunar Trailblazer help us to learn and reduce the risk for future, low-cost small satellites to do innovative science as we prepare for a sustained human presence on the Moon. Thank you to the Lunar Trailblazer team for their dedication in working on and learning from this mission through to the end.”

The limited data the mission team had received from Lunar Trailblazer indicated that the spacecraft’s solar arrays were not properly oriented toward the Sun, which caused its batteries to become depleted.

For several months, collaborating organizations around the world — many of which volunteered their assistance — listened for the spacecraft’s radio signal and tracked its position. Ground radar and optical observations indicated that Lunar Trailblazer was in a slow spin as it headed farther into deep space.

“As Lunar Trailblazer drifted far beyond the Moon, our models showed that the solar panels might receive more sunlight, perhaps charging the spacecraft’s batteries to a point it could turn on its radio,” said Andrew Klesh, Lunar Trailblazer’s project systems engineer at NASA’s Jet Propulsion Laboratory in Southern California. “The global community’s support helped us better understand the spacecraft’s spin, pointing, and trajectory. In space exploration, collaboration is critical — this gave us the best chance to try to regain contact.”

However, as time passed, Lunar Trailblazer became too distant to recover as its telecommunications signals would have been too weak for the mission to receive telemetry and to command.

Technological Legacy

The small satellite’s High-resolution Volatiles and Minerals Moon Mapper (HVM3) imaging spectrometer was built by JPL to detect and map the locations of water and minerals. The mission’s Lunar Thermal Mapper (LTM) instrument was built by the University of Oxford in the United Kingdom and funded by the UK Space Agency to gather temperature data and determine the composition of silicate rocks and soils to improve understanding of why water content varies over time.

“We’re immensely disappointed that our spacecraft didn’t get to the Moon, but the two science instruments we developed, like the teams we brought together, are world class,” said Bethany Ehlmann, the mission’s principal investigator at Caltech. “This collective knowledge and the technology developed will cross-pollinate to other projects as the planetary science community continues work to better understand the Moon’s water.”

Some of that technology will live on in the JPL-built Ultra Compact Imaging Spectrometer for the Moon (UCIS-Moon) instrument that NASA recently selected for a future orbital flight opportunity. The instrument, which has has an identical spectrometer design as HVM3, will provide the Moon’s highest spatial resolution data of surface lunar water and minerals.

More About Lunar Trailblazer

Lunar Trailblazer was selected by NASA’s SIMPLEx (Small Innovative Missions for Planetary Exploration) competition, which provides opportunities for low-cost science spacecraft to ride-share with selected primary missions. To maintain the lower overall cost, SIMPLEx missions have a higher risk posture and less-stringent requirements for oversight and management. This higher risk acceptance bolsters NASA’s portfolio of targeted science missions designed to test pioneering mission approaches.

Caltech, which manages JPL for NASA, led Lunar Trailblazer’s science investigation, and Caltech’s IPAC led mission operations, which included planning, scheduling, and sequencing of all spacecraft activities. Along with managing Lunar Trailblazer, NASA JPL provided system engineering, mission assurance, the HVM3 instrument, and mission design and navigation. Lockheed Martin Space provided the spacecraft, integrated the flight system, and supported operations under contract with Caltech. The University of Oxford developed and provided the LTM instrument, funded by the UK Space Agency. Lunar Trailblazer, a project of NASA’s Lunar Discovery and Exploration Program, was managed by NASA’s Planetary Missions Program Office at Marshall Space Flight Center in Huntsville, Alabama, for the agency’s Science Mission Directorate in Washington.

News Media Contacts

Karen Fox / Molly Wasser
NASA Headquarters, Washington
202-358-1600
karen.c.fox@nasa.gov / molly.l.wasser@nasa.gov

Ian J. O’Neill
Jet Propulsion Laboratory, Pasadena, Calif.
818-354-2649
ian.j.oneill@jpl.nasa.gov

Isabel Swafford
Caltech IPAC
626-216-4257
iswafford@ipac.caltech.edu

2025-099

Explore More 5 min read NASA’s Europa Clipper Radar Instrument Proves Itself at Mars Article 4 days ago 6 min read How Joint NASA-ESA Sea Level Mission Will Help Hurricane Forecasts Article 4 days ago 5 min read How NASA Is Testing AI to Make Earth-Observing Satellites Smarter Article 2 weeks ago Keep Exploring Discover More Topics From NASA

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With one of its solar arrays deployed, NASA’s Lunar Trailblazer sits in a clean room at Lockheed Martin Space in Colorado during testing in August 2024. The mission was to investigate the nature of the Moon’s water, but controllers lost contact with the spacecraft a day after launch in February 2025.Lockheed Martin Space

The small satellite was to map lunar water, but operators lost contact with the spacecraft the day after launch and were unable to recover the mission.

NASA’s Lunar Trailblazer ended its mission to the Moon on July 31. Despite extensive efforts, mission operators were unable to establish two-way communications after losing contact with the spacecraft the day following its Feb. 26 launch.

The mission aimed to produce high-resolution maps of water on the Moon’s surface and determine what form the water is in, how much is there, and how it changes over time. The maps would have supported future robotic and human exploration of the Moon as well as commercial interests while also contributing to the understanding of water cycles on airless bodies throughout the solar system.

Lunar Trailblazer shared a ride on the second Intuitive Machines robotic lunar lander mission, IM-2, which lifted off at 7:16 p.m. EST on Feb. 26 aboard a SpaceX Falcon 9 rocket from the agency’s Kennedy Space Center in Florida. The small satellite separated as planned from the rocket about 48 minutes after launch to begin its flight to the Moon. Mission operators at Caltech’s IPAC in Pasadena established communications with the small spacecraft at 8:13 p.m. EST. Contact was lost the next day.

Without two-way communications, the team was unable to fully diagnose the spacecraft or perform the thruster operations needed to keep Lunar Trailblazer on its flight path.

“At NASA, we undertake high-risk, high-reward missions like Lunar Trailblazer to find revolutionary ways of doing new science,” said Nicky Fox, associate administrator, Science Mission Directorate at NASA Headquarters in Washington. “While it was not the outcome we had hoped for, mission experiences like Lunar Trailblazer help us to learn and reduce the risk for future, low-cost small satellites to do innovative science as we prepare for a sustained human presence on the Moon. Thank you to the Lunar Trailblazer team for their dedication in working on and learning from this mission through to the end.”

The limited data the mission team had received from Lunar Trailblazer indicated that the spacecraft’s solar arrays were not properly oriented toward the Sun, which caused its batteries to become depleted.

For several months, collaborating organizations around the world — many of which volunteered their assistance — listened for the spacecraft’s radio signal and tracked its position. Ground radar and optical observations indicated that Lunar Trailblazer was in a slow spin as it headed farther into deep space.

“As Lunar Trailblazer drifted far beyond the Moon, our models showed that the solar panels might receive more sunlight, perhaps charging the spacecraft’s batteries to a point it could turn on its radio,” said Andrew Klesh, Lunar Trailblazer’s project systems engineer at NASA’s Jet Propulsion Laboratory in Southern California. “The global community’s support helped us better understand the spacecraft’s spin, pointing, and trajectory. In space exploration, collaboration is critical — this gave us the best chance to try to regain contact.”

However, as time passed, Lunar Trailblazer became too distant to recover as its telecommunications signals would have been too weak for the mission to receive telemetry and to command.

Technological Legacy

The small satellite’s High-resolution Volatiles and Minerals Moon Mapper (HVM3) imaging spectrometer was built by JPL to detect and map the locations of water and minerals. The mission’s Lunar Thermal Mapper (LTM) instrument was built by the University of Oxford in the United Kingdom and funded by the UK Space Agency to gather temperature data and determine the composition of silicate rocks and soils to improve understanding of why water content varies over time.

“We’re immensely disappointed that our spacecraft didn’t get to the Moon, but the two science instruments we developed, like the teams we brought together, are world class,” said Bethany Ehlmann, the mission’s principal investigator at Caltech. “This collective knowledge and the technology developed will cross-pollinate to other projects as the planetary science community continues work to better understand the Moon’s water.”

Some of that technology will live on in the JPL-built Ultra Compact Imaging Spectrometer for the Moon (UCIS-Moon) instrument that NASA recently selected for a future orbital flight opportunity. The instrument, which has has an identical spectrometer design as HVM3, will provide the Moon’s highest spatial resolution data of surface lunar water and minerals.

More About Lunar Trailblazer

Lunar Trailblazer was selected by NASA’s SIMPLEx (Small Innovative Missions for Planetary Exploration) competition, which provides opportunities for low-cost science spacecraft to ride-share with selected primary missions. To maintain the lower overall cost, SIMPLEx missions have a higher risk posture and less-stringent requirements for oversight and management. This higher risk acceptance bolsters NASA’s portfolio of targeted science missions designed to test pioneering mission approaches.

Caltech, which manages JPL for NASA, led Lunar Trailblazer’s science investigation, and Caltech’s IPAC led mission operations, which included planning, scheduling, and sequencing of all spacecraft activities. Along with managing Lunar Trailblazer, NASA JPL provided system engineering, mission assurance, the HVM3 instrument, and mission design and navigation. Lockheed Martin Space provided the spacecraft, integrated the flight system, and supported operations under contract with Caltech. The University of Oxford developed and provided the LTM instrument, funded by the UK Space Agency. Lunar Trailblazer, a project of NASA’s Lunar Discovery and Exploration Program, was managed by NASA’s Planetary Missions Program Office at Marshall Space Flight Center in Huntsville, Alabama, for the agency’s Science Mission Directorate in Washington.

News Media Contacts

Karen Fox / Molly Wasser
NASA Headquarters, Washington
202-358-1600
karen.c.fox@nasa.gov / molly.l.wasser@nasa.gov

Ian J. O’Neill
Jet Propulsion Laboratory, Pasadena, Calif.
818-354-2649
ian.j.oneill@jpl.nasa.gov

Isabel Swafford
Caltech IPAC
626-216-4257
iswafford@ipac.caltech.edu

2025-099

Explore More 5 min read NASA’s Europa Clipper Radar Instrument Proves Itself at Mars Article 4 days ago 6 min read How Joint NASA-ESA Sea Level Mission Will Help Hurricane Forecasts Article 4 days ago 5 min read How NASA Is Testing AI to Make Earth-Observing Satellites Smarter Article 2 weeks ago Keep Exploring Discover More Topics From NASA

Missions

Humans in Space

Climate Change

Solar System

The Crew Health and Performance Exploration Analog (CHAPEA) team hosts a media day at NASA’s Johnson Space Center in Houston in 2023.Credit: NASA

As NASA prepares for its second year-long Mars simulated mission, media are invited to visit the ground-based habitat where the mission will take place, on Friday, Aug. 22, at the agency’s Johnson Space Center in Houston.

Scheduled to begin in October, four volunteer crew members will enter the agency’s Crew Health and Performance Exploration Analog (CHAPEA) 3D-printed habitat to live and work for a year to inform NASA’s preparations for human Mars missions.

The in-person media event includes an opportunity to speak with subject matter experts, and capture b-roll and photos inside the habitat. Crew members will not be available for interviews as they will arrive at NASA Johnson at a later date.

International media wishing to attend must request accreditation no later than 6 p.m. EDT (5 p.m. CDT), on Monday, Aug. 11. United States-based media have a deadline of 6 p.m. EDT (5 p.m. CDT), on Wednesday, Aug. 20, to register.  

To request accreditation, media must contact the NASA Johnson newsroom at: 281-483-5111 or jsccommu@mail.nasa.gov. Space is limited. A copy of NASA’s media accreditation policy is available online.

Once the crew members kick off their mission, they will carry out various activities, including simulated Mars walks, robotic operations, habitat maintenance, medical technology tests, exercise, and crop growth. The crew also will face environmental stresses such as resource limitations, isolation, communication delays, and equipment failure, and work through these scenarios with the resources available inside the habitat.

To learn more about CHAPEA, visit:

https://www.nasa.gov/humans-in-space/chapea

-end-

Lauren Low
Headquarters, Washington
202-358-1600
lauren.e.low@nasa.gov

Kelsey Spivey / Mohi Kumar
Johnson Space Center, Houston
281-483-5111
kelsey.m.spivey@nasa.gov / mohi.kumar@nasa.gov

Share

Details Last Updated Aug 04, 2025 LocationNASA Headquarters Related Terms

• Crew Health and Performance Exploration Analog (CHAPEA)
• Humans in Space
• Johnson Space Center

The Crew Health and Performance Exploration Analog (CHAPEA) team hosts a media day at NASA’s Johnson Space Center in Houston in 2023.Credit: NASA

As NASA prepares for its second year-long Mars simulated mission, media are invited to visit the ground-based habitat where the mission will take place, on Friday, Aug. 22, at the agency’s Johnson Space Center in Houston.

Scheduled to begin in October, four volunteer crew members will enter the agency’s Crew Health and Performance Exploration Analog (CHAPEA) 3D-printed habitat to live and work for a year to inform NASA’s preparations for human Mars missions.

The in-person media event includes an opportunity to speak with subject matter experts, and capture b-roll and photos inside the habitat. Crew members will not be available for interviews as they will arrive at NASA Johnson at a later date.

International media wishing to attend must request accreditation no later than 6 p.m. EDT (5 p.m. CDT), on Monday, Aug. 11. United States-based media have a deadline of 6 p.m. EDT (5 p.m. CDT), on Wednesday, Aug. 20, to register.  

To request accreditation, media must contact the NASA Johnson newsroom at: 281-483-5111 or jsccommu@mail.nasa.gov. Space is limited. A copy of NASA’s media accreditation policy is available online.

Once the crew members kick off their mission, they will carry out various activities, including simulated Mars walks, robotic operations, habitat maintenance, medical technology tests, exercise, and crop growth. The crew also will face environmental stresses such as resource limitations, isolation, communication delays, and equipment failure, and work through these scenarios with the resources available inside the habitat.

To learn more about CHAPEA, visit:

https://www.nasa.gov/humans-in-space/chapea

-end-

Lauren Low
Headquarters, Washington
202-358-1600
lauren.e.low@nasa.gov

Kelsey Spivey / Mohi Kumar
Johnson Space Center, Houston
281-483-5111
kelsey.m.spivey@nasa.gov / mohi.kumar@nasa.gov

Share

Details Last Updated Aug 04, 2025 LocationNASA Headquarters Related Terms

• Crew Health and Performance Exploration Analog (CHAPEA)
• Humans in Space
• Johnson Space Center