The nearest US competitor to SpaceX was Rocket Lab, with 14 launches and 33 spacecraft. The competition in "upmass," that is ...

Donaldjohanson, a main belt asteroid, could be a relic of a cosmic collision that took place 150 million years ago.

A Falcon 9 rocket is scheduled to lift off from Vandenberg Space Force Base Friday at 2:49 a.m. EDT (0649 GMT; 11:49 p.m. on ...

U.K. start-up Pulsar Fusion has unveiled plans to build a fleet of reusable nuclear fusion-powered rockets, known as Sunbirds ...

After the end of the space shuttle program, NASA turned to private companies to fill the gap. That isn't working out for the ...

Sunita Williams and Barry Wilmore departed the International Space Station (ISS) early on Tuesday morning and splashed down ...

The SpaceX Dragon spacecraft descended under parachute from a bright blue sky, plopping into sparkling clear water off the ...

NASA and SpaceX made another attempt on Friday to send a crew up to the International Space Station (ISS) and begin the ...

Astronauts Sunita Williams and Butch Wilmore, stranded at the International Space Station (ISS) for over nine months, have ...

Butch Wilmore and Sunita Williams will finally return to Earth after nine months 'stuck' in space. The NASA astronauts are ...