Add Yahoo as a preferred source to see more of our stories on Google. Tardigrades—a type of invertebrate also known as water ...

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

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

For generations, science fiction has imagined what life might look like on other worlds. These aliens are fictional, sure, but ...

For generations, science fiction has imagined what life might look like on other worlds. Novelist H.G. Wells described ...