Astronauts face a large number of other health risks during their stay in space. In a weightless environment, muscles aren't used as much, which can lead to them weakening and atrophying. Additionally ...

NASA astronauts Matthew Dominick, Michael Barratt, and Jeanette Epps, and Roscosmos cosmonaut Alexander Grebenkin are back home on Earth. The SpaceX Crew Dragon Endeavour carrying the four-person ...

(NewsNation) — Four astronauts who were in space for nearly eight months are back on Earth after safely landing in a SpaceX capsule off the coast of Pensacola, Florida, early Friday morning.