For years, as we inch closer to sending people to Mars, scientists have worried about whether Earth microbes could survive on ...

Explore 25 Earth locations that look like another planet! Discover bizarre landscapes, from Martian deserts to icy moons, ...

"We can't find west. Everything is wrong. We can't be sure of any direction. Everything looks strange, even the ocean." In ...

The tantalizing prospect of inspecting a mysterious monolith on the surface of Mars moon Phobos was proposed earlier this ...

Liftoff is scheduled for 6:45 p.m. ET today (July 16).

Scientists say they've detected in the harshly acidic clouds of Venus a gas called phosphine that indicates microbes may ...

Ridley Scott horror film 'Alien', 20th Century Fox is inviting fans to share what the film means to them on social media.