Mars rover, Opportunity, is driving to a new study area after a dramatic finish to 20 months on "Cape York" with examination of a rock intensely altered by water.
On May 31, 2013, asteroid 1998 QE2 will sail serenely past Earth, getting no closer than about 3.6 million miles
Sierra Nevada Corporation's (SNC) Space Systems Dream Chaser flight vehicle arrived at NASA's Dryden Flight Research Center in Edwards, Calif.
NASA's first mission to sample an asteroid is moving ahead into development and testing in preparation for its launch in 2016.
The world is changing. The question is, can life change with it?
An ambitious project to establish a human colony on Mars has attracted applications from tens of thousands
The Apollo-era astronaut says NASA should be working manned Mars missions
Aspiring astronauts and wannabe reality TV stars, take note: A nonprofit that aims to send the first human colonists to Mars by 2023
Kennedy Space Center leaders say they're on schedule for an unmanned test flight next year of Orion, NASA's next vehicle for taking astronauts into space.
NASA this week put the official stamp on an initiative to capture a near-Earth asteroid and haul it back
Stephen Hawking, who spent his career decoding the universe and even experienced weightlessness, is urging the continuation of space exploration
A physics professor from the University of Washington has created an auditory representation of the Big Bang.