If humans are going to spend as much time in space as some hope we will, it’s important to understand the impact spaceflight ...

Orbital transfer vehicles launch atop rockets, carrying other spacecraft that they deliver to specific, often hard-to-reach, ...

Ridley Scott’s “Alien” franchise has landed on TV with “Alien: Earth,” a prequel series set two years before the original ...

Four astronauts are back on Earth after a five-month stay at the International Space Station. Four astronauts returned to ...

Delaying Mars Sample Return will make the human exploration of Mars significantly more expensive and dangerous — and for the ...

Astronomers have, for the first time, observed the very beginning of planet formation around a star beyond our Solar System. Using the James Webb Space Telescope and ALMA, researchers detected hot ...

The splashdown off San Diego closed out a 148-day mission for two NASA astronauts, a Japanese flier and a Russian cosmonaut.

ESA's ERS-2 satellite has been captured by HEO Robotics cameras in space ahead of Earth re-entry. See an animation of the ERS ...

After nearly five months onboard the International Space Station, an international crew of five astronauts began their descent back down to Earth on a SpaceX capsule Friday.

Spacecraft that could fuel up in orbit would be less weighed down at liftoff and fly deeper into space; making those refills ...

SpaceX's Crew-10 astronauts returned to Earth on Saturday (Aug. 9) after living on the International Space Station for nearly ...