Fitness tracker beyond Earth

One of the experiments during ESA astronaut Andreas Mogensen's mission will track his health and body vital signs during his daily exercise in space.

Gravity, who needs it? NASA studies your body in space

What happens to your body in space? NASA's Human Research Program has been unfolding answers for over a decade. Space is a dangerous, unfriendly place. Isolated from family and friends, exposed to radiation that could increase ...