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

Explore ancient mysteries and theories about alien involvement in ancient civilizations, from the Nazca lines to Puma Punku.

Thousands of years ago aliens visited Earth, and they set about building all sorts of incredible structures that gave hints at their fleeting visit. Then they got back in their spaceships and flew off ...

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 ...

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 ...

Add Futurism (opens in a new tab) More information Adding us as a Preferred Source in Google by using this link indicates that you would like to see more of our content in Google News results. The ...

Evidence of alien life or cosmic pyramid scheme? A documentary filmmaker sparked a discussion of advanced Martian civilizations after sharing footage that appeared to depict a “three-sided pyramid” on ...