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.

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.

Following a three-year competition, NASA has selected the Transiting Exoplanet Survey Satellite (TESS) project at MIT for a planned launch in 2017.

Apparently even NASA can't avoid the zombie craze: the agency announced their selection of programs for launch in 2017

Astronomers have spotted the most distant massive star explosion of its kind, a supernova that could help scientists better understand the nature of the universe.

We were too far away to try to stop it. All we could do is watch, helpless, horrified, and secretly delighted, as the event unfolded beyond our reach.

NASA's Mars rover Curiosity just might be the latest in a long line of Mars-exploring robots to discover the building blocks for primitive life on the Red Planet.

Never let it be said again that Michael Bay isn't a visionary; NASA's future looks a little bit more like "Armageddon" every day.

Congress got the word from NASA on Tuesday about its options for dealing with the threats posed by asteroids and comets

An analysis of a rock sample collected by NASA's Curiosity rover shows ancient Mars could have supported living microbes.

NASA’s Cassini spacecraft has taken stunning new photos of Venus, according to a space agency news release.