Astronauts working on the ISS usually get 8 hours of sleep after a 16-hour work day. They also get a sleep mask and earplugs ...

Flynn-Evans said that some of the astronauts do actually find the zero gravity ‘comforting’ while they’re sleeping. “In space ...

NASA astronaut Don Pettit has 30 years of being an astronaut under his belt, and in a recent interview, he revealed a unique ...

Some research suggests that flexible devices can spot subtle shifts in cardiovascular function or posture before things become serious. This is important because the harsh environment of space can ...

NASA's oldest astronaut, who spent 220 days in space, has spoken about one of the most difficult parts of returning to Earth.

NASA's oldest full-time astronaut is back home and doing well a week after wrapping up a seven-month space mission.

Space travel presents unique physiological and psychological challenges for astronauts, including muscle weakening, bone loss, and blood redistribution. Maintaining healthy weight and gut health ...

NASA astronauts Anne McClain and Nichole Ayers emerged around 9 a.m. Thursday, May 1 for the fifth-ever all-female spacewalk.

Update: Don Pettit and crew made a safe, parachute-assisted landing at 9:20 p.m. Saturday, April 19 (6:20 a.m. on Sunday, April 20, Kazakhstan time), southeast of Dzhezkazgan, Kazakhstan, NASA said.