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 ...

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

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 ...

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