Elon Musk has made unfounded claims that two NASA astronauts were left on the space station for "political reasons" after ...

With the number of U.S. spaceflights increasing, amidst efforts to return to the Moon and finally reach Mars, the U.S. Air Force has begun training C-17 Globemaster crews to assist in the recovery of ...

That's gonna take a while because it turns out space-capitalism is even harsher than regular capitalism. As an asteroid miner ...

Rocket Lab launched a high-resolution Earth-imaging satellite toward low Earth orbit this evening (Feb. 18). An Electron vehicle carrying the first "Gen-3" satellite for the geospatial intelligence ...

Sierra Space’s Dream Chaser spacecraft has taken a significant step toward operational missions. The uncrewed spaceplane ...

Pontiac-based program relied on big cubic inches to help usher America’s nascent shuttle design into the later space age.

Scientists have identified water as one of the most effective materials for blocking radiation. Water is dense and contains ...

The astronaut behind one of the 'most terrifying photos' ever taken in space explained why it was it was chilling. The late ...

You might think sex in space would be an out-of-this-world experience — but low-gravity intimacy may not be as much of a high as it sounds.

"Both of us will be a little bit sad when that feeling of space sort of leaves us after about 24 hours and we're not a little bit motion sickness from coming back home," Williams said. "So, that'll ...

NASA astronauts Sunita "Suni" Williams and Barry "Butch" Wilmore have been on the International Space Station since June, ...