What happens to a person when they're stuck in space?

What was supposed to be a weeklong test flight in space has turned into a months-long stay for astronauts Butch Wilmore and Suni Williams. While the unexpected delays from their mission may not have any negative side effects ...

NASA's Artemis II crew uses Iceland terrain for lunar training

Black and gray sediment stretches as far as the eye can see. Boulders sit on top of ground devoid of vegetation. Humans appear almost miniature in scale against a swath of shadowy mountains. At first glance, it seems a perfect ...

Boeing 'ran out of time' on Starliner: astronaut stuck on ISS

A US astronaut stuck on the International Space Station said Friday he believed Boeing's Starliner could have carried him home, if more time had been available to work through the beleaguered spacecraft's issues.

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Astronaut

An astronaut or cosmonaut is a person trained by a human spaceflight program to command, pilot, or serve as a crew member of a spacecraft. While generally reserved for professional space travelers, the term is sometimes applied to anyone who travels into space, including scientists, politicians, journalists, and tourists.

Until 2003, astronauts were sponsored and trained exclusively by governments, either by the military, or by civilian space agencies. However, with the sub-orbital flight of the privately-funded SpaceShipOne in 2004, a new category of astronaut was created: the commercial astronaut.

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