As NASA prepared astronauts for its second mission into space, National Geographic had exclusive behind-the-scenes access for the intense and out-of-this-world training these pioneers underwent.

The candidates – six women and four men – are the first class of astronaut recruits in four years since 10 new astronauts were selected as part of the 2021 class. The incoming astronaut class includes ...

Spinning in circles might be a fun childhood game for most, but for astronauts, it is a crucial, life-saving exercise that thoroughly prepares them for the disorienting challenges and extreme physical ...