Mars has an active, electrically charged surface where dust storms and spinning dust devils regularly move and reshape the ...

A Congressional bill restores funding for most NASA space science missions, but there is no money for returning samples ...

A new analysis of enigmatic skulls from the Republic of Georgia suggest that Homo erectus wasn't the only human species to ...

Before humans set foot on Mars, NASA must first understand how people can survive there. In the Mars Dune Alpha mission, ...

Some animals living on Earth appear so unusual that they are often compared to aliens. Their shapes, movements, and behaviors challenge common ideas of what life should look like. Scientists explain ...

Scientists have discovered a mysterious hole on the surface of Mars, and they have no idea what lies inside it. This pit, ...

Mars looks familiar from afar, but surviving there means creating a protective oasis in a hostile world. Instead of shipping ...

The genre of science fiction has a lot to say about sleep. Here are 11 great stories, from TV, film and books.