Astronaut Daniel Tani, Expedition 16 flight engineer, participates in the second of five scheduled spacewalks as construction continues on the…
NASA Administrator Michael Griffin (right) and Associate Administrator for Space Operations William Gerstenmaier inspect Space Shuttle Discovery after the landing…
This view of Space Shuttle Discovery at the launch pad was taken while the STS-120 crew was at Kennedy Space…
Astronauts Patrick Forrester (left) and Steven Swanson participate in the STS-117 mission's fourth and final spacewalk. Among other tasks, Forrester…
This artist concept illustrates how a massive collision of objects perhaps as large as the planet Pluto smashed together to…
A mock-up of the Orion space capsule heads to its temporary home in a hangar at NASA's Langley Research Center…
View From Above Spirit on Mars This mosaic image taken by the navigation camera on the Mars Exploration Rover Spirit…
Workers at NASA's Lewis (now Glenn) Research Center observe as a commuter transport engine undergoes testing in the Icing Research…
Space Shuttle Discovery landed on runway 15 at Kennedy Space Center's Shuttle Landing Facility at 9:14 a.m. EDT on Monday,…
Workers position the tail cone on the Space Shuttle Discovery in preparation for its return to NASA's Kennedy Space Center…
