China and Pakistan signed a cooperation agreement on the selection and training of astronauts on Friday, Xinhua reported.

NASA astronauts Suni Williams and Butch Wilmore remain calm and optimistic on the International Space Station, 250 days into what was supposed to be a weeklong mission.

Progress MS-30 (or Progress 91) will deliver three tons of "gifts" (food, fuel, and supplies) for the space station crew on ...

The overly sterile environment of the International Space Station is missing important microbes, a new detailed map shows. If ...

Hundreds of surface swabs reveal the station lacks microbial diversity, an imbalance that has been linked to health issues in other settings.