The International Space Station, or ISS, is an orbital laboratory and has hosted more than 250 people since 1998. The International Space Station (ISS) is a multi-nation construction project that ...

Pettit, Soyuz MS-26/72S commander Alexey Ovchinin and flight engineer Ivan Vagner planned to undock from the space station at 5:57 p.m. EDT Saturday, setting up a landing on the steppe of ...