The research is mounting up that we might not be alone in this big wide world. So what's the likelihood that aliens are out ...

For more than a century, popular culture has trained us to picture extraterrestrials as bug-eyed, bipedal “little green men” ...

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 ...

Space scientist Dame Maggie Aderin-Pocock says extraterrestrials may disappoint as they'll most likely resemble 'grey sludge' ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." While the buzzy sci-fi series is science fiction (obviously), Dr. Sward says there's plenty of real ...

"Considering the direction and frequency of our most common signals gives insights into where we should be looking to improve our chances of detecting alien technosignatures." When you purchase ...