In this mage from June 2002, astronaut Franklin R. Chang-Diaz works with a grapple fixture during a spacewalk to perform work on the International Space Station. http://www.nasa.gov/sites/default/files/thumbnails/image/sts111-306-012_orig.jpg
Actor Brad Pitt speaks with NASA astronaut Nick Hague who is onboard the International Space Station, Monday, Sept. 16, 2019. http://www.nasa.gov/sites/default/files/thumbnails/image/48744814666_20e44539d3_k.jpg
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. http://www.nasa.gov/sites/default/files/thumbnails/image/pia23454.jpg
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. http://www.nasa.gov/sites/default/files/thumbnails/image/potw1937a.jpg
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. http://www.nasa.gov/sites/default/files/thumbnails/image/48781030082_d1740019f4_k.jpg
Tethys appears to be stuck to Saturn's A and F rings from this perspective. http://www.nasa.gov/sites/default/files/thumbnails/image/pia18284-1600x1200.jpg
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. http://www.nasa.gov/sites/default/files/thumbnails/image/main-shredded-galaxy_0.jpg
Frank Rubio was selected by NASA to join the 2017 Astronaut Candidate Class and reported for duty in August 2017. http://www.nasa.gov/sites/default/files/thumbnails/image/jsc2017e067119.jpg
Expedition 60 astronaut Christina Koch photographed the Soyuz MS-15 crew ship ascending into space after its launch from Kazakhstan. http://www.nasa.gov/sites/default/files/thumbnails/image/iss060e080405_large.jpg
Today is my last Monday living on this orbiting laboratory and I’m soaking up my final views, said astronat Nivk Hague. http://www.nasa.gov/sites/default/files/thumbnails/image/efvugonx0aa9bmd_2.jpg
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. http://www.nasa.gov/sites/default/files/thumbnails/image/ksc-20190927-ph-mtd01_0086_large.jpg
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. http://www.nasa.gov/sites/default/files/thumbnails/image/48836217723_ad164e610d_k.jpg
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. http://www.nasa.gov/sites/default/files/thumbnails/image/3462939243_8986257667_o.jpg
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! http://www.nasa.gov/sites/default/files/thumbnails/image/egr-xqtw4aez5m2.jpg
Spitzer Space Telescope's infrared cameras penetrate much of the dust, revealing the stars of the crowded galactic center region of our Milky Way. http://www.nasa.gov/sites/default/files/thumbnails/image/ssc2006-02a_0.jpg
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.. http://www.nasa.gov/sites/default/files/thumbnails/image/flying_004_0.jpg
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.. http://www.nasa.gov/sites/default/files/thumbnails/image/flying_004_0.jpg
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.. http://www.nasa.gov/sites/default/files/thumbnails/image/flying_004_0.jpg
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. http://www.nasa.gov/sites/default/files/thumbnails/image/48039478643_e949ff3145_k.jpg
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. http://www.nasa.gov/sites/default/files/thumbnails/image/48039478643_e949ff3145_k.jpg