Astronaut

A British company plans to build the world's largest swimming pool as part of a center that will house facilities for commercial astronaut training and the development of underwater robots.

Bacterial compounds could provide antimicrobial protection in undergarments shared by astronauts during spacewalks.

Will it help if you've trained at the North Pole?

Collins piloted the Apollo 11 command module as his crewmates walked on the Moon.

Scientists analyzed the hearts of retired astronaut Scott Kelly after he spent time in space and elite endurance swimmer Benoît Lecomte after he swam the Pacific Ocean.

Mark Kelly has won a seat in the U.S. Senate, making him only the fourth NASA astronaut to be elected to Congress.

The fluid that cushions the human brain redistributes in the skull during spaceflight, according to a new study.

An unidentified astronaut aboard the International Space Station had a deep vein thrombosis — or blood clot — in the jugular vein of their neck, according to a new case study.

It won't be long before we see the first woman on Mars, and she just might beat the first man there, NASA Administrator Jim Bridenstine said Friday (Oct. 18).

That may be true for the short missions astronauts have gone on so far. But Mars will be a different story.