What would aliens actually look like? While simple life forms like bacteria may be common in the universe, complex ...

For generations, science fiction has imagined what life might look like on other worlds. Novelist H.G. Wells described nightmarish squid-like Martian invaders in The War of the Worlds, while the ...

From the Greys to the Nordics, these aliens appear frequently across abduction stories and science fiction tales.

Scientists suggest that advanced aliens might not have physical bodies, challenging traditional views of extraterrestrial ...

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 ...

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