The Red Planet bleeds. Not blood, but its atmosphere, slowly trickling away to space. The culprit is our sun, which is using its own breath, the solar wind, and its radiation to rob Mars of its air.
A full-scale mock-up of the Orion launch abort system is hitting the road on a large flatbed trailer to travel from the U.S. Army's White Sands Missile Range in New Mexico to NASA's Kennedy Space Center in Florida.
The moon was bombarded by two distinct populations of asteroids or comets in its youth, and its surface is more complex than previously thought.
Experiments prompted by a 2008 surprise from NASA's Phoenix Mars Lander suggest that soil examined by NASA's Viking Mars landers in 1976 may have contained carbon-based chemical building blocks of life.
A new geologic map of a lunar basin paints an instant, camouflage-colored portrait of what a mash-up the moon's surface is after eons of violent events.
With a loud roar and mighty column of flame, NASA and ATK Aerospace Systems successfully tested of the largest, most powerful solid rocket motor designed for flight.
NASA is developing technologies that will allow landing vehicles to automatically identify and navigate to a safe landing site.
Newly discovered cliffs in the lunar crust indicate the moon shrank in the recent past (geologically speaking) and might still be shrinking today.
When students proposed using ping-pong balls to keep an Orion mockup afloat, NASA engineer David Covington laughed and thought, 'That's the most awesome thing I've heard in a long time!'
ATHLETE moon rover must prove it can go the distance before it heads to the Arizona desert for field testing.