In a day of both jubilation and tension, scientists anxiously waited Tuesday for NASA's New Horizons spacecraft to send word across 3 billion miles and confirm it got humanity's first up-close look at Pluto.
What would happen to the astronaut crews aboard NASA's Orion deep space capsule in the event of parachute failures in the final moments before splashdown upon returning from weeks to years long forays to the Moon, Asteroids ...
The first U.S. mission to return samples of an asteroid to Earth is another step closer to its fall 2016 launch, with the delivery of three cameras that will image and map the giant space rock.
The only spacecraft ever to orbit Mercury, NASA's Messenger, is ending its four-year tour at the solar system's innermost planet with a crash landing.
In this image, Spacecraft Operations Manager Franco Marchese and the Sentinel-2 mission control team are seen during simulation training in the Main Control Room at ESOC, Darmstadt, on 28 April.
Commercial air travel safety could see significant improvements thanks to a breakthrough in aircraft flight control technology from researchers at the University of Illinois at Urbana-Champaign.
Replay of the liftoff of Vega VV04 with ESA's Intermediate eXperimental Vehicle, IXV, launched from Kourou, French Guiana on 11 February 2015.
British satellite operator Inmarsat said Monday it was offering a basic tracking service to all the world's passenger airlines free of charge, following the disappearance of Malaysian Airways flight MH370.
Space station astronaut Rick Mastracchio may get his Christmas wish for a spacewalk or two because of a broken cooling system.