The idea that an advanced civilization existed on Earth long before humans is fascinating, but scientists aren't convinced.

How could the principle of "radical mundanity" proposed by the Fermi paradox help explain why humans haven't found evidence of extraterrestrial technological civilizations (ETCs)? This is what a ...

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 ...

Ancient artifacts that suggest past civilizations were far more advanced ...

We’ve likely had at least one close encounter of the 3I kind before. Harvard scientist Avi Loeb claims that not only does 3I/ATLAS potentially have alien origins, but that this wouldn’t be the first ...

This voice experience is generated by AI. Learn more. This voice experience is generated by AI. Learn more. One of the most fantastical claims SpaceX is making during the countdown toward a share ...