Space News

NASA astronaut and one-year crew member Scott Kelly will retire from the agency, effective April 1. Kelly joined the astronaut corps in 1996 and currently holds the American record for most time spent in space.

Europe and Russia are set to launch an unmanned spacecraft Monday to smell Mars' atmosphere for gassy evidence that life once existed on the Red Planet, or may do so still.

NASA engineers have successfully test fired the first flight engine destined to power the agency's mammoth new SLS rocket that will launch American astronauts back to the Moon and deep space for the first time in nearly ...

NASA's RapidScat instrument spied tropical-storm-force winds in a weather system affecting the Pacific Northwestern U.S. and southwestern Canada on Sunday, March 6 and Monday, March 7. NOAA's GOES-West satellite provided...

"Twenty years ago, this would have been heretical; finding evidence of life 3.8 billion years ago was shocking," said Mark Harrison, co-author of the research and a professor of geochemistry at UCLA. "Life on Earth may h...

The Dawn spacecraft has dropped itself into its lowest and final mapping orbit around the protoplanet Ceres, and the images it's now returning are both beautiful and baffling. We're still waiting for close-up shots of Oc...

The Lunar Reconnaissance Orbiter Camera (LROC) is the focus of this episode of the Smithsonian National Air and Space Museum's "What's New in Aerospace?" series....

ESA's mission control conducted the dress rehearsal for the ExoMars launch today, an important final step in preparing the ground teams and systems for the 14 March departure to the Red Planet.

SpaceX and several other companies are trying to develop reusable launch vehicles.

After spending nearly a year in space, astronaut Scott Kelly is hanging up his spacesuit.

On January 20th, 2016, researchers Konstantin Batygin and Michael E. Brown of Caltech announced that they had found evidence that hinted at the existence of a massive planet at the edge of the Solar System. Based on math...

Statement from NASA Administrator Charles Bolden on the retirement of astronaut Scott Kelly.