In September, NASA announced the discovery of a possible sign of life, known as a potential biosignature, on Mars. The Perseverance rover, which has been exploring a dried-up lakebed for years, found ...

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

For generations, the question of whether life exists beyond Earth has captivated humanity. On Mars, faint traces in ancient ...

With so many great magical worlds, fictional settings, and unique ideas in books and movies out there, it’s hard not to raise ...

Why you should watch it: Good Night, and Good Luck with George Clooney was one of the hottest and most expensive tickets on ...

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 ...

For fans of 1987's "Predator" and its subsequent sequels, these 15 action-packed, suspense-driven monster romps will ...

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