As we prepare for missions beyond Earth orbit, one crucial challenge remains: keeping astronauts healthy in microgravity. Without daily exercise, their muscles, bones and cardiovascular systems weaken ...

The return of astronauts Butch Wilmore and Sunita Williams last month has reignited conversations about the physical and psychological conditioning astronauts undergo when traveling to and returning ...

1. A brief history of NASA astronaut selection -- 2. Applying to become an astronaut -- 3. Selection -- 4. Astronaut probationary training -- 5. Technical assignments -- 6. Types of mission -- 7.

Former NASA astronaut Drew Feustel now advises the astronaut training program for the private space company Vast. For decades, space stations have been largely staffed by professional astronauts and ...

In May 2010, the National Research Council (NRC) was asked by NASA to address several questions related to the Astronaut Corps. The NRC’s Committee on Human Spaceflight Crew Operations was tasked to ...

“Astronauts have to undergo intensive periods of training and may participate in spaceflights that last for months. During this time, their body will be subject to a great deal of stress and good ...