A new study reveals a hidden risk for Mars missions: astronauts could lose strength even if muscle size stays the same.

Videos of astronauts on the Moon show them often bouncing across the lunar surface, helped by the fact that the gravity of our satellite is just one-sixth of Earth’s surface gravity. That experience ...

The UK Space Agency and Cambridge-based firm LinkGevity are working with Lithuania-based Delta Biosciences to see how ...

The study conducted by an international team of astronomers exposed mice to different levels of gravity in the orbital laboratory.

The ISS has a rotating crew of seven astronauts, and they're equipped with all sorts of medical equipment, but not everything ...

The space-faring mice spent about 28 days in those conditions before returning to Earth in April. Mortreux and her colleagues then analyzed the weight, strength and movement of the 23 surviving ...

Before you ever set foot on a spacecraft bound for deep space, tiny replicas of your organs might make the journey first. Suspended in microgravity aboard a research mission, this organ-on-a-chip, or ...

Elon Musk says his obsession with the red planet is cooling.

IRVINE, Calif. (KABC) -- The technological challenge of getting to Mars is a huge hurdle, but it may be biology that holds humanity back from venturing to the red planet. A new UC Irvine study shows ...

NASA’s twin ESCAPADE spacecraft will uncover how the Sun stripped Mars of its atmosphere. Mars is a very different world ...