After a 15-day mission to the International Space Station, space shuttle Discovery kicks up dust as its wheels touch down…
New data on sea-level heights from February 2007 show that the tropical Pacific Ocean has transitioned from a warm (El…
Surely one of the most spectacular sights the solar system has to offer, Saturn sits enveloped by the full splendor…
Astronaut Robert L. Behnken, STS-123 mission specialist, participates in the mission's third scheduled spacewalk. During the 6-hour, 53-minute spacewalk, Behnken…
In addition to looking heavenward, NASA helps the world see the Earth in ways no one else can. On Nov.…
The Trifid Nebula, aka M20, is easy to find with a small telescope and a well-known stop in the nebula…
NASA's Spirit rover has successfully driven to its first target on Mars, a football-sized rock that scientists have dubbed Adirondack.…
The Grand Canyon is one of North America's most spectacular geologic features. Carved primarily by the Colorado River over the…
As NASA's Mars Exploration Rover Opportunity creeps farther into "Endurance Crater," the dune field on the crater floor appears even…
The massive C-19 iceberg, which broke from the Ross Ice Shelf in Antarctica in May 2002, is the long smooth…
