Interest in a mysterious 'lost continent' where believers claim an advanced civilization once existed has been rekindled ...

The Silurian Hypothesis asks whether signs of truly ancient past civilizations would even be recognisable today.

The British daily the Guardian on the 11th (local time) highlighted the problem of the “great silence” in our vast and ...

Add Yahoo as a preferred source to see more of our stories on Google. Distance, light speed, biology, and time may explain why alien civilizations never meet. (CREDIT: Wikimedia / CC BY-SA 4.0) "There ...

Aliens did not visit Earth in the distant past. They didn't build the pyramids or rule ancient Greece from Mount Olympus or teach Mesoamericans how to plant corn. How do I know? Because they didn't do ...

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 ...

For decades, radio SETI searches have focused on one important question: if another technological civilization is trying to contact us, how would they send that message? For Dr. Zuckerman, the ...

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They’re hole-ar powered. If super-advanced alien civilizations exist, they would surely require insane amounts of energy to run. Now, international scientists are theorizing that these intelligent ...