astronauts

This year was one of the most competitive applicant pools in the agency's history. One of the candidates explains what it takes to earn a coveted spot — and why so many want to be an astronaut today.

Scientists are learning that some astronauts' eyes change shape after time in space, leading to vision problems. But a sleep sack being developed might offer relief.

The space station has a bathroom. But a spacesuit, not so much. So far, astronauts have relied on diapers, but NASA calls that a "very temporary" fix. It is offering $30,000 for a better idea.

Astronauts at the International Space Station are planning to spend Thanksgiving in quite a traditional fashion: There will be a turkey dinner with all the trimmings, good company, and football.

Two American astronauts installed a new docking port that will allow astronauts traveling with private companies to enter the International Space Station.

NASA astronaut Scott Kelly and Russian cosmonaut Mikhail Kornienko spent most of a year on the International Space Station. Their landing brings an epic mission to an end.

The International Space Station conducted a spacewalk this week to mark 15 years in space. Three people who've walked in space share their miraculous — and miserable — experiences.

Scientists spent decades arguing that women weren't suited for space travel because of menstruation. Even now, a lot of us are wondering how astronauts manage that time of the month.