Rick Mastracchio prepares for an upcoming spacewalk.
Steve Swanson of NASA works on WRS condensate pumping, using the high flow water transfer pump.
Steve Swanson of NASA works on one of the Extravehicular Mobility Unit (EMU) spacesuits
This two-step animation shows before and after views of a patch of sandstone scrubbed with the Dust Removal Tool, a…
The young galaxy SDSS090122.37+181432.3, also known as S0901, is seen here as the bright arc to the left of the…
15-inch (380 mm) diameter PICA sample in the arc jet stream
Eight years ago - on April 28, 2006 - the Cloud-Aerosol Lidar and Infrared Pathfinder Satellite Observations (CALIPSO) mission launched…
This image from the Navigation Camera (Navcam) on NASA's Curiosity Mars rover shows a sandstone slab on which the rover…
APOD Science APOD APOD: 2014 April 28 – Time… Today’s APOD Archive Submissions Index Search Calendar RSS Education About Discuss…
APOD Science APOD APOD: 2014 April 27 –… Today’s APOD Archive Submissions Index Search Calendar RSS Education About Discuss …
