The three astronauts and cosmonaut who came back to Earth from the International Space Station aboard SpaceX's Crew Dragon capsule were hospitalized before returning to Houston, NASA said Saturday.

With his third straight U.S. presidential campaign coming down to the wire, Donald Trump mused at a rally about ...

Space tourism is no longer a fever dream of wonky scientists. It’s a fledgling economic powerhouse filled with potential.

While the Kremlin has threatened to shoot down Western satellites aiding Ukraine, Planet Labs’ founders have played a pivotal ...

If Bridenstine becomes administrator of NASA again, his first task would be to get the Artemis program on track.

We don't talk enough about a serious side effect of Elon Musk's effort to colonize Mars: His massive rockets belch greenhouse ...

Astronauts Suni Williams and Butch Wilmore—who have been in space since June after their eight-day mission went awry—did not catch a ride back to Earth on SpaceX's latest return capsule. Here's why.

The SpaceX Crew Dragon Endeavour, now set to splash down this week, has racked up the most time spent in space by a crewed ...

SpaceX on Saturday successfully launched a Falcon 9 rocket carrying a payload of 22 Starlink Internet communications ...

An unnamed astronaut was released from Ascension Sacred Heart Pensacola in Florida and returned to Johnson Space Center in ...

NASA says an astronaut has been released from the hospital after returning from space. The unidentified NASA astronaut was briefly hospitalized for an unspecifi ...