The International Space Station's extreme cleanliness may be harming astronauts' health by depriving them of beneficial environmental microbes, leading to immune-related issues.

Russia destroyed its own satellite, Kosmos, using a missile, creating debris that endangered the International Space Station ...

Here’s how it works. The keys to the International Space Station just changed hands. Cosmonaut Alexey Ovchinin of the Russian space agency Roscosmos passed control of the orbiting lab over to ...