A look at the surreal landscapes of Socotra, home to some of the most unusual and alien-looking trees on Earth. Known for ...

Add Yahoo as a preferred source to see more of our stories on Google. Tardigrades—a type of invertebrate also known as water bears—are the only animals observed to survive the intense radiation and ...

The best way to find alien technosignatures is to look for ones that have long survived their creators, according to a new ...

"Star Wars" has a seemingly never-ending supply of alien designs. However, these five are the worst of the bunch, falling ...

Scientists are listening in on sperm whale conversations and studying Earth's strangest microbes to prepare humanity for first contact with extraterrestrial life.

For generations, science fiction has imagined what life might look like on other worlds. These aliens are fictional, sure, but some of them are informed by real evolutionary processes on Earth. That's ...