Jeff Bezos and Elon Musk aren't in competition for who has the biggest rocket (it's Musk), but their space startups are ...

Engaging articles, breathtaking images and expert knowledge ...

Don Pettit is replacing astronaut Tracy Dyson, who plans to return to Earth on Sept. 23, after a six-month stay aboard the ...

Splashdown northwest of Key West, Florida, will close out a mission highlighted by the first non-government civilian ...

An American astronaut and two Russian cosmonauts successfully launched Wednesday for a six-month mission to the International ...

Elon Musk said on X that he envisions Starships making uncrewed trips to Mars by 2026 before astronauts head to the Red ...

Rocket Lab is set to launch an Electron rocket with 25 new satellites part of a growing orbital constellation in what will be ...

New Glenn has been in development for over a decade, but it likely won't be ready for launch next month, posing a problem for NASA.

A SpaceX capsule was rocketed into orbit early Tuesday morning as part of a mission that is set to include the first spacewalk carried out by an all-civilian crew.

SpaceX successfully launched a crew of four—including a billionaire—as part of a private space mission known as Polaris Dawn ...

The mission features the first non-government spacewalk by billionaire Jared Isaacman and SpaceX crew trainer Sarah Gillis.

The highly anticipated program has faced a series of delays from the originally planned Aug. 26 launch due to unfavorable ...