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

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 ...

What if you found out that you had a long-lost relative? And what if that long-lost relative was from a different planet in ...

By studying Earth's toughest microbes and complex animal "speech", scientists are reshaping how we search for – and may someday talk to – alien life.

A lot of the alien races in the Star Trek universe are humanoid, and the original series explained that fact way back in the ...

Grain-sized remnants of alien technology may get caught in solar wind and land on plants and moons close to us ...

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 ...