Genetic analysis shows that microbes growing inside the International Space Station have adaptations for radiation and low ...

Two ISS crews are gearing up for departure, with NASA astronaut Tracy Dyson and cosmonauts Kononenko and Chub returning to ...

Three months after the Starliner launched, NASA astronauts Barry Wilmore and Suni Williams remain in space. Here's a timeline ...

ISS astronaut Don Pettit shared a photo from space of the large fire that's been burning southeast of Houston since Monday ...

Suni Williams and Butch Wilmore have been on the International Space Station for 14 weeks. They were supposed to be there for ...

In the next decade, the function of the ISS is expected to be replaced by lower-orbit space stations built and maintained by private space companies.

As Suni Williams and Butch Wilmore spend months longer than planned on ISS, three astronauts tell us what life is like in ...

A spacecraft carrying an American astronaut and two Russian cosmonauts took off from the Baikonur cosmodrome in Kazakhstan ...

In an experiment that sounds about as safe as bobbing for fries, ESA carried out the first-ever 3D metal printing in space ...

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

The International Space Station (ISS) is a science laboratory located in the Earth's orbit, which flies some 240 miles above Earth's surface at 17,500 miles an hour. The ISS is the work of five space ...

A NASA astronaut and two Russian cosmonauts, traveling together on a Russian Soyuz spacecraft, arrived at the International ...