NASA's Mars Global Surveyor spacecraft has snapped its 200,000th image of the red planet since entering orbit in September 1997.…
This computer generated image depicts a view of Earth as seen from the surface of the asteroid Toutatis on Nov.…
Researchers at NASA's Langley Research Center conduct studies in 1964 to determine the types of difficulties astronauts might encounter on…
The Cassini spacecraft captured this spectacular view of a landslide on Saturn's moon, Iapetus. Landslides are common geological phenomena on…
This view of Tibet's Brahmaputra River was taken on Oct. 13, 2000, by the Expedition 3 crew. This Asian river…
These are some of the first pictures returned by the European Space Agency's Huygens probe during its successful descent and…
STS-121 mission specialist Piers J. Sellers, wearing a training version of the space suit used for extravehicular activity (EVA), participates…
Twenty million years ago ocean covered the area where Panama is today, creating a gap between the continents of North…
This Cassini image is a color map of the composition of a portion of Saturn's moon Hyperion. In this map,…
Astronaut Charles Conrad Jr., commander of the first manned Skylab mission, goes through a checklist of experiment activity during Skylab…
