Vivid colors belie the arid landscape of northern Chile where the Atacama Desert, one of the world's driest, meets the…
This enhanced-color view shows gullies in an unnamed crater in the Terra Sirenum region of Mars. The image was taken…
In the 1950s, oil exploration in Libya turned up another valuable resource: water. Huge aquifers, underground deposits of sand and…
This artist's concept shows the view from Cassini during the star occultation that detected "Mittens," the small object to the…
Like a roman candle shooting through the blue sky, the launch of Space Shuttle Discovery on mission STS-121 kicks off…
Over 120 million years ago, a single mass of granite punched through the Earth's crust and intruded into the heart…
How did this unusual Martian rock form? This atypical two-toned rock was photographed in March 2007 by Mars Exploration Rover…
This 1991 image from NASA's Hubble Space Telescope captures a small section of the Cygnus Loop supernova remnant. The Cygnus…
Hinode, a collaborative mission of the space agencies of Japan, the United States, United Kingdom and Europe, captured these very…
Like swirls of paint on an enormous canvas, shallow lakes, mudflats, and salt marshes share the sinuous valleys on Iran's…
