Exercise is one of the lowest-tech activities around. You build up a sweat, make your body move, maybe build some muscles or drop some pounds — and technology has, at best, a role on the outside, in ...

SARATOGA SPRINGS, N.Y. — America might not need yet another exercise machine. Treadmills, weights and resistance equipment already jam the health clubs. Yet Gravity machines have found a niche at some ...

When you think about what it’s like to live in space, you might imagine the stunning views of Earth or the existential wonder of being out among the stars. What you might not consider are some of the ...

Being in space for extended lengths of time can place a great deal of physical stress on an astronaut’s body. The weightlessness associated with lack of gravity can cause health issues such as ...