Technician Durwood Dereng prepares to pull the external-power plug from an E17 drag-research model at NASA's Wallops Flight Facility on…
In this, the first extravehicular activity, or spacewalk, of the STS-116 mission, astronaut Robert L. Curbeam, Jr. participates in activities…
The Cassini team got this stunning false color image of Saturn's rings using a technique called "stellar occultation." In simple…
These side-by-side false-color images show Saturn's heat emission. The data were taken on Feb. 4, 2004, from the W. M.…
NASA's Phoenix Mars Lander monitors the atmosphere overhead and reaches out to the soil below in this artist's depiction of…
Astronaut Sunita L. Williams, Expedition 14 flight engineer, used a pistol grip tool as she worked on the International Space…
This false-color composite image of the Stephan's Quintet galaxy cluster clearly shows one of the largest shock waves ever seen…
Approximately 100 million years ago, a smaller galaxy plunged through the heart of the Cartwheel galaxy, creating ripples of brief…
This 1958 photograph shows test pilot Joseph Walker in a pressure suit beside the X-1E at the NASA High-Speed Flight…
Backdropped by a cloud-covered part of Earth, Space Shuttle Atlantis was photographed by the Expedition 15 crew after it undocked…