It's not all glamour and spacewalks, but it is rewarding.
NASA announced the nine astronauts selected for its Commercial Crew program.
Astronaut poop could help create a weird yet nutritious bacterial Vegemite.
Take it from an astronaut.
In the event of a lunar emergency, use pulleys.
Their dream jobs just became a reality.
And should colonists on Mars be allowed to eat each other?
Sudden peeing, sweat balls, and so much more
Spaceman documents Mike Massimino's unlikely journey from fire inspector's son to elite astronaut
Before women started flying in space, NASA was a little worried they might die having their periods
Canada's newest astronaut, David Saint-Jacques, has big space boots to fill
The Rogallo wing was NASA's multi-million dollar 1960s attempt to stop ending its missions with splashdowns. It didn't work.
Retired astronaut Scott Parazynski talks about his life of adventure
And what are your odds of getting chosen?
To Instagram and beyond
Plus a sneak-peak review of the first 49 minutes of the film
NASA is still trying to figure that out