
This image, which combines orbital imagery with 3-D modeling, shows flows that appear in spring and summer on a slope…

Expedition 1 Commander Bill Shepherd (center) is flanked by Soyuz Commander Yuri Gidzenko (right) and Flight Engineer Sergei Krikalev (left)…

In the Payload Hazardous Servicing Facility at NASA's Kennedy Space Center in Florida, technicians make preparations to enclose NASA's Mars…

The Delta II rocket with it's NPOESS Preparatory Project (NPP) spacecraft payload is seen as the service structure is rolled…

On Friday, Oct. 28, 2011, an arc of light illuminates the pre-dawn sky at Vandenberg Air Force Base, Calif., as…

Since July 2011, heavy monsoon rains in southeast Asia have resulted in catastrophic flooding. In Thailand, about one third of…

JSC2011-E-196321 (22 Sept. 2011) -- The Orion MPCV ground test vehicle is prepared for the Launch Abort Vehicle Configuration Test…

JSC2011-E-196320 (22 Sept. 2011) -- The Orion Multi-Purpose Crew Vehicle ground test vehicle is prepared for the Launch Abort Vehicle…

NASA, space science industry and government officials are seen in front of a full-size model of NASA's James Webb Space…

Infrared images from NASA's Spitzer Space Telescope and the Wide-field Infrared Survey Explorer, or WISE, were combined in this image…