Add Yahoo as a preferred source to see more of our stories on Google. Sierra Nevada Corp’s Dream Chaser space plane is lifted by helicopter from a ramp at NASA’s Armstrong Flight Research Center in ...

Add Yahoo as a preferred source to see more of our stories on Google. A new study examines how time in space impacts astronauts' brains, possibly having big implications for the future of space flight ...

Five months into his fourth International Space Station mission, veteran NASA astronaut Mike Fincke was having dinner when he suddenly found himself unable to speak. The episode in January lasted just ...

The future of the International Space Station (ISS) is in doubt after Nasa astronauts were temporarily told to shelter and prepare for an evacuation as air was leaking out of it. Crew on board the ISS ...

Late last month Dream Chaser, a commercial U.S. space plane, received no mention during NASA’s in-depth “Ignition” briefing, which set out the agency’s comprehensive plans to return to the moon. Dream ...

Nuclear propulsion and power technologies could unlock new frontiers in missions to the moon, Mars, and beyond. NASA has reached an important milestone advancing nuclear propulsion that could benefit ...

A new study examines how time in space impacts astronauts’ brains, possibly having big implications for the future of space flight. Scientists discovered that parts of the brain moved up to 2mm in the ...