Watch the stars and from them learn. To the Master's honor all must turn, Each in its track, without a sound, Forever tracing Newton's ground

— Albert Einstein

NASA Image of the Day

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The latest NASA "Image of the Day" image.
Updated: 21 hours 20 min ago

Astronaut Christina Koch Works in the Vacuum of Space

Wed, 10/16/2019 - 11:54am
NASA astronaut Christina Koch works while tethered near the Port 6 truss segment of the International Space Station.
Categories: Astronomy, NASA

Artemis Generation Spacesuit Event

Wed, 10/16/2019 - 9:28am
Amy Ross, a spacesuit engineer at Johnson Space Center, NASA Administrator Jim Bridenstine, watch as Kristine Davis and Dustin Gohmert wear prototype spacesuits.
Categories: Astronomy, NASA

Serena Auñón-Chancellor Talks to Girls About Life on the Station

Fri, 10/11/2019 - 2:15am
NASA astronaut Dr. Serena Auñón-Chancellor speaks about her experience on Expeditions 56 and 57 onboard the International Space Station (ISS) at Excel Academy Public Charter School, Monday, June 10, 2019.
Categories: Astronomy, NASA

Serena Aunon-Chancellor Talks to Girls About Life on the Station

Fri, 10/11/2019 - 2:15am
NASA astronaut Dr. Serena Auñón-Chancellor speaks about her experience on Expeditions 56 and 57 onboard the International Space Station (ISS) at Excel Academy Public Charter School, Monday, June 10, 2019.
Categories: Astronomy, NASA

NASA’s X-59 QueSST Airplane Takes Shape at Lockheed Martin Skunk Works

Thu, 10/10/2019 - 4:24am
NASA’s X-59 QueSST, an experimental piloted aircraft designed to fly faster than sound without producing the annoying – if not alarming – sonic booms of previous supersonic aircraft is taking shape..
Categories: Astronomy, NASA

Revealing the Milky Way’s Center

Wed, 10/09/2019 - 10:05am
Spitzer Space Telescope's infrared cameras penetrate much of the dust, revealing the stars of the crowded galactic center region of our Milky Way.
Categories: Astronomy, NASA

A Glimpse of a Rocky Exoplanet's Surface

Tue, 10/08/2019 - 12:43pm
Discovered in 2018 by NASA's Transiting Exoplanet Satellite Survey (TESS) mission, planet LHS 3844b is located 48.6 light-years from Earth and has a radius 1.3 times that of Earth.
Categories: Astronomy, NASA

Replacing the Space Station’s Solar Array Batteries

Mon, 10/07/2019 - 11:39am
After completing the first of 10 spacewalks to upgrade the station, astronaut Christina Koch, wrote: The great @Space_Station battery swap series of spacewalks is underway!
Categories: Astronomy, NASA

Stephen Hawking and Our Changing Ideas of the Universe

Fri, 10/04/2019 - 3:00am
Cosmologist Stephen Hawking changed our view of the universe with his remarkable theories and outreach even thought he suffered from ALS, which slowly paralyzed him over the years.
Categories: Astronomy, NASA

Astronaut Nick Hague Returns to Earth After 203 Days Aboard the Space Station

Thu, 10/03/2019 - 10:12am
NASA astronaut Nick Hague is seen outside the Soyuz MS-12 spacecraft after he landed in a remote area near the town of Zhezkazgan, Kazakhstan.
Categories: Astronomy, NASA

Space Launch System Mock Up Arrives at Kennedy for Testing

Wed, 10/02/2019 - 1:41am
NASA's Pegasus Barge arrives at the Launch Complex 39 turn basin wharf at Kennedy Space Center in Florida to make its first delivery to Kennedy in support of the agency's Artemis missions.
Categories: Astronomy, NASA

Astronaut Nick Hague Soaks Up Views of Earth

Tue, 10/01/2019 - 9:14am
Today is my last Monday living on this orbiting laboratory and I’m soaking up my final views, said astronaut Nick Hague.
Categories: Astronomy, NASA

Viewing a Launch From Above

Mon, 09/30/2019 - 8:57am
Expedition 60 astronaut Christina Koch photographed the Soyuz MS-15 crew ship ascending into space after its launch from Kazakhstan.
Categories: Astronomy, NASA

Astronaut Candidate Frank Rubio

Fri, 09/27/2019 - 2:21am
Frank Rubio was selected by NASA to join the 2017 Astronaut Candidate Class and reported for duty in August 2017.
Categories: Astronomy, NASA

Finding Intermediate-Sized Black Holes

Thu, 09/26/2019 - 9:59am
In this image, a galaxy called ESO 243-49 is home to an extremely bright object called HLX-1. Circled in this image, HLX-1 is the most likely example of a black hole in the intermediate mass range that scientists have found.
Categories: Astronomy, NASA

Stuck on the Rings

Tue, 09/24/2019 - 9:14am
Tethys appears to be stuck to Saturn's A and F rings from this perspective.
Categories: Astronomy, NASA

Expedition 61 Soyuz Rollout

Mon, 09/23/2019 - 8:36am
The gantry arms close around the Soyuz rocket after it was raised into vertical position on the launch pad, Monday, Sept. 23, 2019 at the Baikonur Cosmodrome in Kazakhstan.
Categories: Astronomy, NASA

Hubble Takes Closer Look at Not-So-'Dead' Neighbor

Fri, 09/20/2019 - 9:27am
Because they lack stellar nurseries and contain mostly old stars, elliptical galaxies — Like Messier 110 — are often considered “dead” when compared to their spiral relatives. But scientists have spotted signs of a population of young, blue stars at Messier 110's center, hinting that this neighbor of our Milky Way may not be so “dead” after all.
Categories: Astronomy, NASA

Layers in Mars' Danielson Crater

Thu, 09/19/2019 - 11:29am
This image shows sedimentary rock and sand within Danielson Crater, an impact crater about 42 miles or 67 kilometers in diameter, located in the southwest Arabia Terra region of Mars.
Categories: Astronomy, NASA