Living in the constant free fall of outer space can do a number on your body, from muscle atrophy to psychological malaise, ...

None of his previous flights were anything like being rocketed into space, facing upward, quickly accelerating to 17,500 mph, the astronaut said.

As space agencies prepare for human missions to the moon and Mars, scientists need to understand how the absence of gravity ...

European scientists are turning an aircraft into a laboratory that simulates lunar gravity to prepare astronauts and ...

New research suggests it also changes the position and shape of the brain itself. Brain movement in space According to The ...