Bulked-up, mutant “mighty mice” held onto their muscle during a monthlong stay at the International Space Station, returning to Earth with ripped bodybuilder physiques, scientists reported Monday. The ...

Astronauts face a very difficult challenge in space. In microgravity, their muscles and bones weaken over time. Specialized exercise programs developed for stints on the International Space Station ...

CAPE CANAVERAL, Fla. (AP) — The first batch of space-baked cookies is back on Earth, along with muscle-bound "mighty" mice and other space station experiments. SpaceX provided the ride home Tuesday, a ...