Sea-based launches are hitting their stride. That could lead to a lot more space missions with a lot less red tape.

NASA is developing a groundbreaking spacecraft concept designed to revolutionize Mars travel. The ambitious plan involves assembling a football-field-sized spacecraft in orbit using advanced robotics.

Virgin Galactic, a brand of Sir Richard Branson famous for its low-earth orbit rocket ship, has decided to throw ... The company has only finished a mission concept review with NASA but is ...

The landing legs stuck up in the air and the melted body of the rocket hung off the side of the drone ship — making the first-stage booster nearly unrecognizable to casual observers. The only ...

"Hey @ElonMusk, when you finally get the nerve to climb into a rocket ship, come talk to the three of us," Mark Kelly said.

But after the first-stage booster successfully landed atop a SpaceX drone ship in the Atlantic Ocean, a fire in the aft end of the rocket damaged one of the landing legs — and the booster tipped ...

Kelly, D-Ariz., a retired astronaut, had challenged Musk to climb into a rocket ship by the time the social media spat concluded on Friday afternoon. “Hey @ElonMusk, when you finally get the ...