Going to space is harsh on the human body, and as a new study from our research team finds, the brain shifts upward and ...

Scientists examined brain MRI scans of astronauts and found microgravity causes upward and backward brain shifts, which gradually take months to recover after returning to Earth.

Spending months in orbit does more than challenge muscles and bones.

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

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 ...

When astronauts go to bed in space, they do not lie down.There is no mattress, no pillow and no blanket tucked around them.