The radar imagery revealed that 1998 QE2 is a binary asteroid.
Because of GRAIL's findings, spacecraft on missions to other celestial bodies can navigate with greater precision in the future.
NASA's first mission to sample an asteroid is moving ahead into development and testing in preparation for its launch in 2016.
The Apollo-era astronaut says NASA should be working manned Mars missions
A research group at the University of Washington, funded by NASA, is about to build a fusion-powered rocket.
During a year of budget cuts that has the U.S. military freaking out, the Navy is improbably signaling it’ll take major steps forward on developing laser cannons.
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
East Coast residents were buzzing on Friday night after a brief but bright flash of light streaked across the early-evening sky
A catastrophic meteor strike that would trigger the kind of destruction blamed for wiping out dinosaurs millions of years ago is unlikely
An analysis of a rock sample collected by NASA's Curiosity rover shows ancient Mars could have supported living microbes.
NASA's Mars rover Curiosity is out of safe mode and back on active status after computer trouble had sidelined the vehicle for nearly a week
NASA says the International Space Station has lost contact with NASA controllers in Houston.
A close encounter of the rocky kind is set for Feb. 15, when an office-building-size asteroid will speed past Earth fcloser than some communications satellites.
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