For years now astronaut training for zero g conditions has been performed in the most extreme of environments, from free-falling aircraft to large pools of water. But if the German Aerospace Center ...

The main difference between life on the International Space Station (ISS) and life here on terra firma is microgravity, which forces you to float around rather than walk. To prepare newbie astronauts ...

Thanks to not-so-recent advances in technology, we can shoot just about anything into space, or at the very least into Earth's orbit. At first, we launched spy satellites during the Cold War, but once ...

Space changes you. It strengthens some muscles, weakens others, shifts fluids within your body, and realigns your sense of balance. NASA's Human Research Program works to understand—and sometimes even ...