NASA has offered a sneak peek inside its Mars simulation habitat where four volunteers have now spent 150 days isolated from ...

Six volunteers are spending 365 days inside a 36-foot dome on a Hawaiian volcano, eating powdered food and wearing spacesuits ...

Mars used to have a warmer and wetter climate, which changed after billions of years because the Sun's solar wind removed ...

Add Yahoo as a preferred source to see more of our stories on Google. The idea of humans living on Mars is closer to reality than it’s ever been. On Feb. 13, Elon Musk’s SpaceX ferried an ...

New research reveals that human sperm struggles in microgravity, posing challenges for reproduction in space and Mars ...

Keeping astronauts strong and healthy in microgravity is no easy feat. Those serving six-month missions aboard the International Space Station must exercise for two hours per day to stave off muscle ...

Elon Musk announced his company SpaceX is shifting its focus from colonizing Mars to building a city on the moon. Musk stated that establishing a human presence on the moon is more feasible in the ...

The humans who move to Mars might not remain "human" for very long. Evolution is a powerful force, transcending planetary boundaries. As Rice University biologist Scott Solomon points out in his ...

Humans did not evolve for space. Ironically, because we insist on going there anyway, scientists now know from studying ...

Elon Musk revealed that his rocket-launch firm SpaceX is now focused on building a “self-growing city” of humans on the moon – backing away from his plans to launch a civilization on Mars. The world’s ...

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

The idea of humans living on Mars is closer to reality than it’s ever been. On Feb. 13, Elon Musk’s SpaceX ferried an international crew of four astronauts to the International Space Station, another ...