Named by the Romans after the fleet-footed messenger of the gods, the planet Mercury is closest to the sun. Seen…
This mass of storm clouds was observed by Expedition 1 from the International Space Station. The picture was the first…
In the first spacewalk of the STS-118 mission, astronaut Rick Mastracchio and the Canadian Space Agency's Dave Williams (out of…
STS-116 Mission Specialists Robert L. Curbeam, Jr. (left) and Christer Fuglesang participate in the first of the mission's three planned…
This image shows the view from the Mars Exploration Rover Spirit after it successfully completed a 115 degree turn to…
This image of Space Shuttle Discovery's tail section was photographed by the Expedition 14 crew during the RPM survey. Visible…
Phoebe's true nature is revealed in startling clarity in this mosaic of two images taken during Cassini's flyby on June…
On Dec. 19, 1972, the Apollo 17 crew returned to Earth. Apollo 17 was the sixth and last Apollo mission…
Cassini zooms in, for the first time, on the patchy, bright and dark mountains originally identified in images from NASA's…
As MESSENGER neared Mercury on Jan 14, 2008, the spacecraft took this image of the planet's full crescent. The image…
