No one knows exactly what to expect if we encountered other forms of alien life. Would they talk like us? Look like us? Or ...

Is intelligent alien life really out there? With powerful telescopes identifying more potentially habitable planets each year, the possibility continues to grow. But what would happen if we actually ...

Astronomers have been scanning the skies for alien radio signals for decades, but so far they’ve heard nary a peep (with one possible exception). But according to a recent study, that could be because ...

You don't need a rocket ship to visit another world. Right here on planet Earth, there are bizarre landscapes that defy expectations.

That’s what most Americans believe, according to a new YouGov poll. The majority think that extraterrestrial aliens definitely or probably exist, the survey found, and many are also pretty sure ...