"Project Hail Mary" really pushes the limit when it comes to non-humanoid aliens. But researchers posit that real aliens could be even stranger than that.

A METEORITE that smashed though a roof and into a New Jersey bedroom may contain the chemical blueprints of alien life.

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 ...

Scientists are raising concerns that we may be overlooking evidence of extraterrestrial life even when it is present. Hidden biosignatures, limitations in detection technology, and assumptions about ...

Steven Spielberg's sci-fi adventure-mystery about the possibility of aliens on Earth stars Emily Blunt, Josh O'Connor and Colman Domingo Tyson has "no reason to doubt" there's non-human species out in ...

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 ...