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U.S. District Judge Timothy Kelly, left, swears in Jared Isaacman, right, as the 15th administrator of NASA, as Isaacman’s parents, Donald and Sandra Marie, join on Dec. 18, 2025, at the Eisenhower Executive Office Building in Washington. Credit: NASA/Bill Ingalls

Jared Isaacman was sworn in Thursday as NASA’s 15th administrator by District Judge Timothy J. Kelly. The oath was taken during a ceremony held at the Eisenhower Executive Office Building in Washington. 

As NASA administrator, Isaacman will lead the agency in bold pursuit of exploration, innovation, and scientific discovery. 

“I am deeply honored to be sworn in as NASA administrator,” said Isaacman. “NASA’s mission is as imperative and urgent as ever — to push the boundaries of human exploration, ignite the orbital economy, drive scientific discovery, and innovate for the benefit of all of humanity. I look forward to serving under President Trump’s leadership and restoring a mission-first culture at NASA — focused on achieving ambitious goals, to return American astronauts to the Moon, establish an enduring presence on the lunar surface, and laying the groundwork to deliver on President Trump’s vision of planting the Stars and Stripes on Mars.” 

Isaacman, nominated by President Donald J. Trump on Nov. 4th, was confirmed to serve as NASA administrator by the U.S. Senate on Dec. 17. Isaacman is expected to address the workforce this week. 

Jared “Rook” Isaacman is the 15th administrator of NASA, a pilot, astronaut, seasoned entrepreneur, philanthropist, and pioneer in commercial spaceflight. Read Isaacman’s official biography online. 

Official portrait of NASA Administrator Jared IsaacmanCredit: NASA/Bill Ingalls

For more about NASA’s mission, visit: 

https://www.nasa.gov

-end-

Bethany Stevens / George Alderman
Headquarters, Washington
(771) 216-2606
bethany.c.stevens@nasa.gov / george.a.alderman@nasa.gov

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Details Last Updated Dec 18, 2025 EditorJessica TaveauLocationNASA Headquarters Related Terms

• Leadership
• NASA Headquarters

U.S. District Judge Timothy Kelly, left, swears in Jared Isaacman, right, as the 15th administrator of NASA, as Isaacman’s parents, Donald and Sandra Marie, join on Dec. 18, 2025, at the Eisenhower Executive Office Building in Washington. Credit: NASA/Bill Ingalls

Jared Isaacman was sworn in Thursday as NASA’s 15th administrator by District Judge Timothy J. Kelly. The oath was taken during a ceremony held at the Eisenhower Executive Office Building in Washington. 

As NASA administrator, Isaacman will lead the agency in bold pursuit of exploration, innovation, and scientific discovery. 

“I am deeply honored to be sworn in as NASA administrator,” said Isaacman. “NASA’s mission is as imperative and urgent as ever — to push the boundaries of human exploration, ignite the orbital economy, drive scientific discovery, and innovate for the benefit of all of humanity. I look forward to serving under President Trump’s leadership and restoring a mission-first culture at NASA — focused on achieving ambitious goals, to return American astronauts to the Moon, establish an enduring presence on the lunar surface, and laying the groundwork to deliver on President Trump’s vision of planting the Stars and Stripes on Mars.” 

Isaacman, nominated by President Donald J. Trump on Nov. 4th, was confirmed to serve as NASA administrator by the U.S. Senate on Dec. 17. Isaacman is expected to address the workforce this week. 

Jared “Rook” Isaacman is the 15th administrator of NASA, a pilot, astronaut, seasoned entrepreneur, philanthropist, and pioneer in commercial spaceflight. Read Isaacman’s official biography online. 

Official portrait of NASA Administrator Jared IsaacmanCredit: NASA/Bill Ingalls

For more about NASA’s mission, visit: 

https://www.nasa.gov

-end-

Bethany Stevens / George Alderman
Headquarters, Washington
(771) 216-2606
bethany.c.stevens@nasa.gov / george.a.alderman@nasa.gov

Share

Details Last Updated Dec 18, 2025 EditorJessica TaveauLocationNASA Headquarters Related Terms

• Leadership
• NASA Headquarters

In a glimpse of the early universe, astronomers have observed a galaxy as it appeared just 800 million years after the Big Bang – a cosmic Jekyll and Hyde that looks like any other galaxy when viewed in visible and even ultraviolet light but transforms into a cosmic beast when observed at infrared wavelengths. This object, dubbed Virgil, is forcing astronomers to reconsider their understanding of how supermassive black holes grew in the infant universe.

The National Center for Atmospheric Research has played a leading role in providing data, modelling and supercomputing to researchers around the world – but the Trump administration is set to shut it down

The National Center for Atmospheric Research has played a leading role in providing data, modelling and supercomputing to researchers around the world – but the Trump administration is set to shut it down

5 min read

Preparations for Next Moonwalk Simulations Underway (and Underwater)

In 2025, NASA’s Stennis Space Center near Bay St. Louis, Mississippi, marked a year of progress by supporting NASA’s Artemis campaign, celebrating historic milestones, and continuing its role as a trusted propulsion test partner at America’s largest rocket propulsion test site.

“For more than six decades, NASA Stennis has proudly represented the Gulf Coast region and America in advancing our nation’s space exploration goals,” said NASA Stennis Director John Bailey. “This year, we continued our progress forward as we near the launch of Artemis II, while honoring milestones that have brought our center to this point.”

Supporting Artemis

As NASA prepares for the launch of Artemis II in early 2026, with the first crewed mission to the Moon in over 50 years, NASA Stennis continues its frontline work.

Every RS-25 engine used to help launch NASA’s SLS (Space Launch System) rocket to the Moon is tested in south Mississippi.

NASA Stennis teams provided data to lead engines contractor L3Harris Technologies by successfully testing two new production RS-25 flight engines.

NASA tested RS-25 engine No. 20001 at the Fred Haise Test Stand in June, and RS-25 engine No. 20002 in November. Each engine fired for 500 seconds, reaching 111% of its rated power, while simulating launch conditions.

Teams at NASA’s Stennis Space Center deliver, lift, and install the first new production RS-25 engine on the Fred Haise Test Stand on Feb. 18, 2025.NASA/Danny Nowlin Teams at NASA’s Stennis Space Center deliver, lift, and install the first new production RS-25 engine on the Fred Haise Test Stand on Feb. 18, 2025.NASA/Danny Nowlin Teams at NASA’s Stennis Space Center deliver, lift, and install the first new production RS-25 engine on the Fred Haise Test Stand on Feb. 18, 2025.NASA/Danny Nowlin Teams at NASA’s Stennis Space Center deliver, lift, and install the first new production RS-25 engine on the Fred Haise Test Stand on Feb. 18, 2025.NASA/Danny Nowlin Teams at NASA’s Stennis Space Center deliver, lift, and install the first new production RS-25 engine on the Fred Haise Test Stand on Feb. 18, 2025.NASA/Danny Nowlin Teams at NASA’s Stennis Space Center deliver, lift, and install the first new production RS-25 engine on the Fred Haise Test Stand on Feb. 18, 2025.NASA/Danny Nowlin NASA tests RS-25 engine No. 20001 on June 20, 2025, at the Fred Haise Test Stand at NASA’s Stennis Space Center at Bay St. Louis, Mississippi.NASA/Danny Nowlin Supporting Commercial Propulsion

The commercial aerospace industry is growing, and NASA Stennis is a secure location providing support for it. Companies that have conducted work at NASA Stennis include Blue Origin, Boeing, Evolution Space; Launcher, a Vast company; Relativity Space and Rolls-Royce.

Three companies – Relativity Space, Rocket Lab, and Evolution Space – have established, or continue progress to establish, production and/or test operations at NASA Stennis.

Infrastructure upgrades and planning efforts across the test complex are laying the foundation for future propulsion test projects as well.

“As the commercial space industry continues to accelerate their development, NASA Stennis is adapting to meet their propulsion testing needs,” said Joe Schuyler, director of the NASA Stennis Engineering and Test Directorate. “We are proud that our proven experience makes us a trusted partner.”

Honoring the Past In 2025, NASA Stennis honored a defining era of space shuttle main engine testing. An image shows the first space shuttle main engine installed on May 8, 1975, at the Fred Haise Test Stand (formerly A-1).NASA

While NASA Stennis operates as the nation’s largest rocket propulsion test site, the NASA Stennis Federal City also is home to more than 50 federal, state, academic, and commercial tenants.

This year marked the birth of the federal city concept 55 years ago. The unique operating approach serves as a model of government efficiency and a powerful economic engine for the Gulf Coast region.

Meanwhile, the 50th anniversary of space shuttle main engine testing honored a defining era for NASA Stennis.

From May 1975 to July 2009, NASA Stennis tested space shuttle main engines that enabled 135 shuttle missions and notable space milestones, like deployment of the Hubble Space Telescope and construction of the International Space Station.

Both the federal city model and the decades of propulsion excellence continue to inform work at NASA Stennis.

Engineering the Future

Innovation extended beyond the test stands. The versatile testing environment at NASA Stennis is uniquely positioned to support unmanned systems testing across air, land, and water. With restricted airspace, a closed canal system, and vast protected terrain, the site offers a safe, flexible environment for range operations.

In addition to physical infrastructure, NASA Stennis progressed in digital innovation with the release of its first open-source software tool to streamline propulsion test data collection and collaboration across NASA and industry. The peer review tool is designed to facilitate more efficient and collaborative creation of systems applications, such as those used in frontline government and propulsion test work.

U.S. Naval Research Laboratory personnel conduct a field experiment involving an unmanned aerial system at NASA Stennis in March 2024.NASA/Danny Nowlin U.S. Naval Research laboratory personnel conduct tests on The Blue Boat made by Blue Robotics, an unmanned surface vessel, at NOAA’s National Data Buoy Center basin at NASA Stennis on Dec. 19, 2024. NASA/Danny Nowlin NASA software engineer Brandon Carver updates how the main data acquisition software processes information on March 5, 2025, at NASA’s Stennis Space Center, where he has contributed to the creation of the center’s first-ever open-source software.NASA/Danny Nowlin Syncom Space Services software engineer Shane Cravens, the chief architect behind the first-ever open-source software at NASA’s Stennis Space Center, verifies operation of the site’s data acquisition hardware.NASA/Danny Nowlin Community and Inspiration

NASA Stennis connected with communities in creative ways in 2025.

During Super Bowl week, NASA Stennis representatives inspired future explorers by bringing Artemis mission displays and hands-on activities to families at the Audubon Aquarium in New Orleans.

In March, NASA Stennis supported the third annual FIRST Robotics Magnolia Regional as a lead sponsor with employees and interns volunteering at the event. The competition in Laurel, Mississippi, brought together 37 teams from eight U.S. states (Alabama, California, Florida, Louisiana, Minnesota, Mississippi, Missouri, and Tennessee) and Mexico. The FIRST (For the Inspiration and Recognition of Science and Technology) Robotics event joined NASA’s Robotics Alliance Project to combine the excitement of sport with the rigors of science, technology, engineering, and mathematics (STEM) in field games using industrial-sized robots.

That same spirit of hands-on learning continues at INFINITY Science Center, the official visitor center of NASA Stennis. A new interactive exhibit has provided visitors a chance to become a test conductor and simulate RS-25 engine tests for the engines that will help power NASA’s Artemis missions.

A pair of young visitors to INFINITY Science Center carry out the steps of a simulated RS-25 engine hot fire on Dec. 19, 2024. The engine test simulator exhibit provided by NASA’s Stennis Space Center takes users through the hot fire process just as real engineers do at NASA Stennis.NASA/Danny Nowlin NASA Stennis representatives inspire the Artemis Generation at the Audubon Aquarium in New Orleans on Feb. 7-8, 2025, with activities and displays highlighting space exploration, including NASA’s Artemis missions to the Moon.NASA/Danny Nowlin NASA Stennis representatives inspire the Artemis Generation at the Audubon Aquarium in New Orleans on Feb. 7-8, 2025, with activities and displays highlighting space exploration, including NASA’s Artemis missions to the Moon.NASA/Danny Nowlin NASA serves as a lead sponsor, along with NASA Stennis employees and interns volunteering, for the third annual FIRST Robotics Magnolia Regional Competition on March 14, 2025. The event in Laurel, Mississippi, welcomed 37 teams from eight states (Alabama, California, Florida, Louisiana, Minnesota, Missouri, Mississippi, and Tennessee) and one team from Mexico. The FIRST (For the Inspiration and Recognition of Science and Technology) Robotics event joined NASA’s Robotics Alliance Project to combine the excitement of sport with the rigors of science, technology, engineering, and mathematics (STEM) in field games using industrial-sized robots.NASA/Danny Nowlin NASA serves as a lead sponsor, along with NASA Stennis employees and interns volunteering, for the third annual FIRST Robotics Magnolia Regional Competition on March 14, 2025. The event in Laurel, Mississippi, welcomed 37 teams from eight states (Alabama, California, Florida, Louisiana, Minnesota, Missouri, Mississippi, and Tennessee) and one team from Mexico. The FIRST (For the Inspiration and Recognition of Science and Technology) Robotics event joined NASA’s Robotics Alliance Project to combine the excitement of sport with the rigors of science, technology, engineering, and mathematics (STEM) in field games using industrial-sized robots.NASA/Danny Nowlin A Winter Wonderland

Hancock County, where NASA Stennis is located, received five to seven inches of snow on Jan. 21, 2025, according to the National Weather Service. It marked the most snow Hancock County, Mississippi, has received in 61 years. The Dec. 31, 1963, snowfall holds the record at 10 inches of snow for Bay St. Louis, Mississippi.

A series of cell phone and stationary camera images record snowfall at NASA’s Stennis Space Center on Jan. 21, 2025.NASA/Stennis A series of cell phone and stationary camera images record snowfall at NASA’s Stennis Space Center on Jan. 21, 2025.NASA/Stennis A series of cell phone and stationary camera images record snowfall at NASA’s Stennis Space Center on Jan. 21, 2025.NASA/Stennis A series of cell phone and stationary camera images record snowfall at NASA’s Stennis Space Center on Jan. 21, 2025.NASA/Stennis A series of cell phone and stationary camera images record snowfall at NASA’s Stennis Space Center on Jan. 21, 2025.NASA/Stennis A series of cell phone and stationary camera images record snowfall at NASA’s Stennis Space Center on Jan. 21, 2025.NASA/Stennis A series of cell phone and stationary camera images record snowfall at NASA’s Stennis Space Center on Jan. 21, 2025.NASA/Stennis A series of cell phone and stationary camera images record snowfall at NASA’s Stennis Space Center on Jan. 21, 2025.NASA/Stennis A series of cell phone and stationary camera images record snowfall at NASA’s Stennis Space Center on Jan. 21, 2025.NASA/Stennis Looking Ahead

All in all, the year closes with members of the NASA Stennis team focused on what is to come.

“As we close out 2025, NASA Stennis looks forward to the next chapter of our center as NASA sends astronauts to the Moon to prepare for future human exploration of Mars through the agency’s Artemis campaign,” said NASA Stennis Deputy Director Christine Powell. “We are ready for what’s next.”

Explore More 2 min read NASA Makes Webby 30s List of Most Iconic, Influential on Internet Article 3 months ago 5 min read Crossroads to the Future – NASA Stennis Grows into a Model Federal City Article 3 months ago 4 min read NASA Stennis Provides Ideal Location for Range of Site Tenants Article 3 months ago Keep Exploring Discover More Topics from NASA Stennis

NASA’s Stennis Space Center History

Employers and Careers at NASA Stennis

NASA Stennis Fact Sheets

Doing Business with NASA Stennis

5 min read

Preparations for Next Moonwalk Simulations Underway (and Underwater)

In 2025, NASA’s Stennis Space Center near Bay St. Louis, Mississippi, marked a year of progress by supporting NASA’s Artemis campaign, celebrating historic milestones, and continuing its role as a trusted propulsion test partner at America’s largest rocket propulsion test site.

“For more than six decades, NASA Stennis has proudly represented the Gulf Coast region and America in advancing our nation’s space exploration goals,” said NASA Stennis Director John Bailey. “This year, we continued our progress forward as we near the launch of Artemis II, while honoring milestones that have brought our center to this point.”

Supporting Artemis

As NASA prepares for the launch of Artemis II in early 2026, with the first crewed mission to the Moon in over 50 years, NASA Stennis continues its frontline work.

Every RS-25 engine used to help launch NASA’s SLS (Space Launch System) rocket to the Moon is tested in south Mississippi.

NASA Stennis teams provided data to lead engines contractor L3Harris Technologies by successfully testing two new production RS-25 flight engines.

NASA tested RS-25 engine No. 20001 at the Fred Haise Test Stand in June, and RS-25 engine No. 20002 in November. Each engine fired for 500 seconds, reaching 111% of its rated power, while simulating launch conditions.

Teams at NASA’s Stennis Space Center deliver, lift, and install the first new production RS-25 engine on the Fred Haise Test Stand on Feb. 18, 2025.NASA/Danny Nowlin Teams at NASA’s Stennis Space Center deliver, lift, and install the first new production RS-25 engine on the Fred Haise Test Stand on Feb. 18, 2025.NASA/Danny Nowlin Teams at NASA’s Stennis Space Center deliver, lift, and install the first new production RS-25 engine on the Fred Haise Test Stand on Feb. 18, 2025.NASA/Danny Nowlin Teams at NASA’s Stennis Space Center deliver, lift, and install the first new production RS-25 engine on the Fred Haise Test Stand on Feb. 18, 2025.NASA/Danny Nowlin Teams at NASA’s Stennis Space Center deliver, lift, and install the first new production RS-25 engine on the Fred Haise Test Stand on Feb. 18, 2025.NASA/Danny Nowlin Teams at NASA’s Stennis Space Center deliver, lift, and install the first new production RS-25 engine on the Fred Haise Test Stand on Feb. 18, 2025.NASA/Danny Nowlin NASA tests RS-25 engine No. 20001 on June 20, 2025, at the Fred Haise Test Stand at NASA’s Stennis Space Center at Bay St. Louis, Mississippi.NASA/Danny Nowlin Supporting Commercial Propulsion

The commercial aerospace industry is growing, and NASA Stennis is a secure location providing support for it. Companies that have conducted work at NASA Stennis include Blue Origin, Boeing, Evolution Space; Launcher, a Vast company; Relativity Space and Rolls-Royce.

Three companies – Relativity Space, Rocket Lab, and Evolution Space – have established, or continue progress to establish, production and/or test operations at NASA Stennis.

Infrastructure upgrades and planning efforts across the test complex are laying the foundation for future propulsion test projects as well.

“As the commercial space industry continues to accelerate their development, NASA Stennis is adapting to meet their propulsion testing needs,” said Joe Schuyler, director of the NASA Stennis Engineering and Test Directorate. “We are proud that our proven experience makes us a trusted partner.”

Honoring the Past In 2025, NASA Stennis honored a defining era of space shuttle main engine testing. An image shows the first space shuttle main engine installed on May 8, 1975, at the Fred Haise Test Stand (formerly A-1).NASA

While NASA Stennis operates as the nation’s largest rocket propulsion test site, the NASA Stennis Federal City also is home to more than 50 federal, state, academic, and commercial tenants.

This year marked the birth of the federal city concept 55 years ago. The unique operating approach serves as a model of government efficiency and a powerful economic engine for the Gulf Coast region.

Meanwhile, the 50th anniversary of space shuttle main engine testing honored a defining era for NASA Stennis.

From May 1975 to July 2009, NASA Stennis tested space shuttle main engines that enabled 135 shuttle missions and notable space milestones, like deployment of the Hubble Space Telescope and construction of the International Space Station.

Both the federal city model and the decades of propulsion excellence continue to inform work at NASA Stennis.

Engineering the Future

Innovation extended beyond the test stands. The versatile testing environment at NASA Stennis is uniquely positioned to support unmanned systems testing across air, land, and water. With restricted airspace, a closed canal system, and vast protected terrain, the site offers a safe, flexible environment for range operations.

In addition to physical infrastructure, NASA Stennis progressed in digital innovation with the release of its first open-source software tool to streamline propulsion test data collection and collaboration across NASA and industry. The peer review tool is designed to facilitate more efficient and collaborative creation of systems applications, such as those used in frontline government and propulsion test work.

U.S. Naval Research Laboratory personnel conduct a field experiment involving an unmanned aerial system at NASA Stennis in March 2024.NASA/Danny Nowlin U.S. Naval Research laboratory personnel conduct tests on The Blue Boat made by Blue Robotics, an unmanned surface vessel, at NOAA’s National Data Buoy Center basin at NASA Stennis on Dec. 19, 2024. NASA/Danny Nowlin NASA software engineer Brandon Carver updates how the main data acquisition software processes information on March 5, 2025, at NASA’s Stennis Space Center, where he has contributed to the creation of the center’s first-ever open-source software.NASA/Danny Nowlin Syncom Space Services software engineer Shane Cravens, the chief architect behind the first-ever open-source software at NASA’s Stennis Space Center, verifies operation of the site’s data acquisition hardware.NASA/Danny Nowlin Community and Inspiration

NASA Stennis connected with communities in creative ways in 2025.

During Super Bowl week, NASA Stennis representatives inspired future explorers by bringing Artemis mission displays and hands-on activities to families at the Audubon Aquarium in New Orleans.

In March, NASA Stennis supported the third annual FIRST Robotics Magnolia Regional as a lead sponsor with employees and interns volunteering at the event. The competition in Laurel, Mississippi, brought together 37 teams from eight U.S. states (Alabama, California, Florida, Louisiana, Minnesota, Mississippi, Missouri, and Tennessee) and Mexico. The FIRST (For the Inspiration and Recognition of Science and Technology) Robotics event joined NASA’s Robotics Alliance Project to combine the excitement of sport with the rigors of science, technology, engineering, and mathematics (STEM) in field games using industrial-sized robots.

That same spirit of hands-on learning continues at INFINITY Science Center, the official visitor center of NASA Stennis. A new interactive exhibit has provided visitors a chance to become a test conductor and simulate RS-25 engine tests for the engines that will help power NASA’s Artemis missions.

A pair of young visitors to INFINITY Science Center carry out the steps of a simulated RS-25 engine hot fire on Dec. 19, 2024. The engine test simulator exhibit provided by NASA’s Stennis Space Center takes users through the hot fire process just as real engineers do at NASA Stennis.NASA/Danny Nowlin NASA Stennis representatives inspire the Artemis Generation at the Audubon Aquarium in New Orleans on Feb. 7-8, 2025, with activities and displays highlighting space exploration, including NASA’s Artemis missions to the Moon.NASA/Danny Nowlin NASA Stennis representatives inspire the Artemis Generation at the Audubon Aquarium in New Orleans on Feb. 7-8, 2025, with activities and displays highlighting space exploration, including NASA’s Artemis missions to the Moon.NASA/Danny Nowlin NASA serves as a lead sponsor, along with NASA Stennis employees and interns volunteering, for the third annual FIRST Robotics Magnolia Regional Competition on March 14, 2025. The event in Laurel, Mississippi, welcomed 37 teams from eight states (Alabama, California, Florida, Louisiana, Minnesota, Missouri, Mississippi, and Tennessee) and one team from Mexico. The FIRST (For the Inspiration and Recognition of Science and Technology) Robotics event joined NASA’s Robotics Alliance Project to combine the excitement of sport with the rigors of science, technology, engineering, and mathematics (STEM) in field games using industrial-sized robots.NASA/Danny Nowlin NASA serves as a lead sponsor, along with NASA Stennis employees and interns volunteering, for the third annual FIRST Robotics Magnolia Regional Competition on March 14, 2025. The event in Laurel, Mississippi, welcomed 37 teams from eight states (Alabama, California, Florida, Louisiana, Minnesota, Missouri, Mississippi, and Tennessee) and one team from Mexico. The FIRST (For the Inspiration and Recognition of Science and Technology) Robotics event joined NASA’s Robotics Alliance Project to combine the excitement of sport with the rigors of science, technology, engineering, and mathematics (STEM) in field games using industrial-sized robots.NASA/Danny Nowlin A Winter Wonderland

Hancock County, where NASA Stennis is located, received five to seven inches of snow on Jan. 21, 2025, according to the National Weather Service. It marked the most snow Hancock County, Mississippi, has received in 61 years. The Dec. 31, 1963, snowfall holds the record at 10 inches of snow for Bay St. Louis, Mississippi.

A series of cell phone and stationary camera images record snowfall at NASA’s Stennis Space Center on Jan. 21, 2025.NASA/Stennis A series of cell phone and stationary camera images record snowfall at NASA’s Stennis Space Center on Jan. 21, 2025.NASA/Stennis A series of cell phone and stationary camera images record snowfall at NASA’s Stennis Space Center on Jan. 21, 2025.NASA/Stennis A series of cell phone and stationary camera images record snowfall at NASA’s Stennis Space Center on Jan. 21, 2025.NASA/Stennis A series of cell phone and stationary camera images record snowfall at NASA’s Stennis Space Center on Jan. 21, 2025.NASA/Stennis A series of cell phone and stationary camera images record snowfall at NASA’s Stennis Space Center on Jan. 21, 2025.NASA/Stennis A series of cell phone and stationary camera images record snowfall at NASA’s Stennis Space Center on Jan. 21, 2025.NASA/Stennis A series of cell phone and stationary camera images record snowfall at NASA’s Stennis Space Center on Jan. 21, 2025.NASA/Stennis A series of cell phone and stationary camera images record snowfall at NASA’s Stennis Space Center on Jan. 21, 2025.NASA/Stennis Looking Ahead

All in all, the year closes with members of the NASA Stennis team focused on what is to come.

“As we close out 2025, NASA Stennis looks forward to the next chapter of our center as NASA sends astronauts to the Moon to prepare for future human exploration of Mars through the agency’s Artemis campaign,” said NASA Stennis Deputy Director Christine Powell. “We are ready for what’s next.”

Explore More 2 min read NASA Makes Webby 30s List of Most Iconic, Influential on Internet Article 3 months ago 5 min read Crossroads to the Future – NASA Stennis Grows into a Model Federal City Article 3 months ago 4 min read NASA Stennis Provides Ideal Location for Range of Site Tenants Article 3 months ago Keep Exploring Discover More Topics from NASA Stennis

NASA’s Stennis Space Center History

Employers and Careers at NASA Stennis

NASA Stennis Fact Sheets

Doing Business with NASA Stennis

Video: 00:00:00

Watch the replay of the media information session in which ESA Director General Josef Aschbacher and ESA Council Chair Renato Krpoun (CH) update journalists on key decisions taken at the ESA Council meeting, held at ESA Headquarters in Paris on 17 and 18 December 2025.

Health officials on Thursday announced a slew of measures that seek to restrict access to gender-affirming health care for young transgender people in the U.S.

Our cells follow 24-hour circadian rhythms that regulate our blood sugar levels and are heavily influenced by light exposure. Scientists have harnessed this to show that just sitting by a window improves blood sugar control in people with type 2 diabetes

Our cells follow 24-hour circadian rhythms that regulate our blood sugar levels and are heavily influenced by light exposure. Scientists have harnessed this to show that just sitting by a window improves blood sugar control in people with type 2 diabetes

With new technologies comes new discoveries. Or so Spider Man’s Uncle Ben might have said if he was an astronomer. Or a scientist more generally - but in astronomy that saying is more true than many other disciplines, as many discoveries are entirely dependent on the technology - the telescope, imager, or processing algorithm, used to collect data on them. A new piece of technology, the Nancy Grace Roman Space Telescope, is exciting scientists enough that they are even starting to predict what kind of discoveries it might make. One such type of discovery, described in a pre-print paper on arXiv by Vito Saggese of the Italian National Institute for Astrophysics and his co-authors on the Roman Galactic Exoplanet Survey Project Infrastructure Team, is the discovery of many more multiplantery exoplanet systems an astronomical phenomena Roman is well placed to detect - microlensing.

In the era of mega constellations, spacecraft typically have less than a week to avoid crashes

In geometry, there are surfaces that do without an inside or outside—and some need at least four dimensions to exist

Humans traveling to Mars will need protective habitats to live on the harsh surface. Ice could help

From glowing neurons to newborn memories, here are the most fascinating brain discoveries of 2025

Explore This Section

• Perseverance Home
• Science
• News and Features
• Multimedia
• Mars Missions
• Mars Home

This image from NASA’s Mars Perseverance rover shows a potential megablock on the Jezero crater rim, taken by the Mastcam-Z instrument’s “right eye.” Mastcam-Z is a pair of cameras located high on the rover’s mast. Perseverance acquired this image looking east across the rim heading towards “Lac de Charmes” on Dec. 7, 2025 — Sol 1706, or Martian day 1,706 of the Mars 2020 mission — at the local mean solar time of 13:38:46. NASA/JPL-Caltech/ASU

Written by Margaret Deahn, Ph.D. student at Purdue University 

NASA’s Mars 2020 rover is currently trekking towards exciting new terrain. After roughly four months of climbing up and over the rim of Jezero crater, the rover is taking a charming tour of the plains just beyond the western crater rim, fittingly named “Lac de Charmes.” This area just beyond Jezero’s rim will be the prime place to search for pre-Jezero ancient bedrock and Jezero impactites — rocks produced or affected by the impact event that created Jezero crater.  

The formation of a complex crater like Jezero is, well… complex. Scientists who study impact craters like to split the formation process into three stages: contact & compression (when the impactor hits), excavation (when materials are thrown out of the crater), and modification (when gravity causes everything to collapse). This process happens incredibly fast, fracturing the impacted rock and even melting some of the target material. Sometimes on Earth, the classic “bowl” shaped crater has been completely weathered and unrecognizable, so geologists are able to identify craters by the remnants of their impactites. Just when you thought it couldn’t get any more complicated — Jezero crater’s rim is located on the rim of another, even bigger basin called Isidis. That means there is an opportunity to have impactites from both cratering events exposed in and just around the rim — some of which could be several billions of years old! We may have already encountered one of these blocks on our trek towards Lac de Charmes. In the foreground of this image taken by the Mastcam-Z instrument on the rover, there is a potential impactite called a “megablock” that the team has named “Hyha.” We can actually see this block from orbit, it is that large! The team is excited to continue exploring these ancient rocks as we take our next steps off Jezero’s rim.

• Want to read more posts from the Perseverance team?

  
  
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This image from NASA’s Mars Perseverance rover shows a potential megablock on the Jezero crater rim, taken by the Mastcam-Z instrument’s “right eye.” Mastcam-Z is a pair of cameras located high on the rover’s mast. Perseverance acquired this image looking east across the rim heading towards “Lac de Charmes” on Dec. 7, 2025 — Sol 1706, or Martian day 1,706 of the Mars 2020 mission — at the local mean solar time of 13:38:46. NASA/JPL-Caltech/ASU

Written by Margaret Deahn, Ph.D. student at Purdue University 

NASA’s Mars 2020 rover is currently trekking towards exciting new terrain. After roughly four months of climbing up and over the rim of Jezero crater, the rover is taking a charming tour of the plains just beyond the western crater rim, fittingly named “Lac de Charmes.” This area just beyond Jezero’s rim will be the prime place to search for pre-Jezero ancient bedrock and Jezero impactites — rocks produced or affected by the impact event that created Jezero crater.  

The formation of a complex crater like Jezero is, well… complex. Scientists who study impact craters like to split the formation process into three stages: contact & compression (when the impactor hits), excavation (when materials are thrown out of the crater), and modification (when gravity causes everything to collapse). This process happens incredibly fast, fracturing the impacted rock and even melting some of the target material. Sometimes on Earth, the classic “bowl” shaped crater has been completely weathered and unrecognizable, so geologists are able to identify craters by the remnants of their impactites. Just when you thought it couldn’t get any more complicated — Jezero crater’s rim is located on the rim of another, even bigger basin called Isidis. That means there is an opportunity to have impactites from both cratering events exposed in and just around the rim — some of which could be several billions of years old! We may have already encountered one of these blocks on our trek towards Lac de Charmes. In the foreground of this image taken by the Mastcam-Z instrument on the rover, there is a potential impactite called a “megablock” that the team has named “Hyha.” We can actually see this block from orbit, it is that large! The team is excited to continue exploring these ancient rocks as we take our next steps off Jezero’s rim.

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