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 ...

Working in space is more than floating in microgravity. Astronauts train intensely and use advanced tools to not only survive, but also conduct advanced scientific research. Given the difficulties, ...

Russell “Rusty” Schweickart was among the first astronauts in space and the first to pilot the lunar module during the Apollo 9 mission in March 1969 that laid the foundation for humans to walk on the ...