What if an alien civilization did not just exist somewhere in the universe, but actually reached Earth in the distant past?

The discovery of three-fingered, elongated-skull mummies in Nazca, Peru, ignited a fierce global debate over whether they are ...

The best way to find alien technosignatures is to look for ones that have long survived their creators, according to a new ...

Add Yahoo as a preferred source to see more of our stories on Google. SPRINGFIELD, Mo. — Dive deep into the mysteries of the universe with the experts from The HISTORY Channel’s hit series, Ancient ...

Earthlings, brace yourselves: the galaxy may be emptier than your last Tinder date. According to a new study, any alien civilizations out there? Probably short-lived — and doomed to fail spectacularly ...

"There is a silence in the night sky that has bothered me for as long as I can remember." That line, attributed to Richard Feynman, lands because it gets at a simple, stubborn feeling. The sky looks ...

Ancient Egypt has captivated people for centuries, inspiring countless books, documentaries, and blockbuster movies. Yet many ...