After spending more than eight months aboard the International Space Station (ISS), veteran astronaut Sunita Williams is ...

Elon Musk has made unfounded claims that two NASA astronauts were left on the space station for "political reasons" after ...

Space travel poses numerous physiological challenges, including radiation exposure, bone density loss, and psychological stress for astronauts.

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Elon Musk faced backlash for insulting Danish astronaut Andreas Mogensen during a dispute over claims that NASA astronauts ...

Here is the reason why NASA astronaut Heidemarie Stefanyshyn-Piper fainted when returning to Earth after a mission onboard STS-115 in 2006.

A SpaceX Falcon 9 booster rocket successfully launched Saturday to deploy 22 Starlink satellites into low-Earth orbit ...

NASA astronaut Suni Williams was undertaking a repair on the ISS when she was photographed from Earth by an amateur ...

The space agency announced Tuesday that SpaceX will switch capsules for upcoming astronaut flights in order to bring Butch ...

The president and his right-hand man baselessly accused Joe Biden of stranding Boeing astronauts on the ISS for political ...

Arizona's U.S. Sen. Mark Kelly and his twin brother, Scott Kelly, slammed Elon Musk after he insulted another astronaut on X.

The human body was not built for spaceflight, with its microgravity conditions, exposure to high-energy radiation and other ...