Steve Swanson and Koichi Wakata participate in the transfer of supplies from the SpaceX Dragon spacecraft.
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…
As the International Space Station passed over the Bering Sea on Earth Day, one of the Expedition 39 crew members…