Astronauts may be exposed to the equivalent of 120 chest X-rays over 3 months. As two NASA astronauts gear up for a months-long unplanned stay on the International Space Station (ISS), they may also ...

Stranded US astronauts Butch Wilmore and Suni Williams are scheduled to fly back to Earth on Tuesday — ending their extended, nine-month stay in space. The NASA astronauts, who were originally ...

Astronauts visiting the International Space Station (ISS) typically spend about six months there before returning to Earth, ...

Last June, astronauts Suni Williams and Butch Wilmore left on what was meant to be an eight-day jaunt to outer space. But their spacecraft malfunctioned, and they’ve now been gone for eight months, ...

Editor's note:Click here to watch the Starliner astronauts return to Earth. The NASA astronauts who crewed the Boeing Starliner could be on their way home a little sooner than expected. Weather ...

Four astronauts will have to wait a bit longer for their journey to the International Space Station. Mission controllers called off a planned launch Wednesday because of an issue with one of the clamp ...

NASA will announce the next group of astronaut candidates selected from more than 8,000 applications. Coverage will be available on the agency's streaming app, NASA+ – also available on YouTube and ...

NASA astronauts Butch Wilmore and Suni Williams arrived back on Earth on Tuesday after living in space for a longer-than-expected nine months. The SpaceX Dragon spacecraft carrying Wilmore, Williams, ...

Four astronauts are gearing up to launch to the International Space Station on Wednesday. Their arrival will, at long last, kick off the process of bringing NASA astronauts Suni Williams and Butch ...

Humans haven’t traveled to the moon since NASA’s Apollo program ended in 1972, but the Artemis program will soon return humans to the lunar surface, with the first crewed landing currently slated for ...

Such "countdown demonstration tests" have traditionally taken place shortly before launch with the rocket and crew ship ...

NASA astronaut and chemical engineer Don Pettit is known for his incredible orbital astrophotography as well as his in-space inventions, including the Zero G Coffee Cup, which received the first ever ...