The curious minds at What If explore the possibility of an alien civilization existing on Proxima b, imagining how they might ...

The universe contains an almost unimaginable number of stars and potentially habitable worlds—so statistically, alien ...

A new paper posits that advanced alien civilizations may communicate through subtle flashes, like fireflies do on Earth. The thought experiment suggests that we need to avoid human biases in our ...

Sputnik skies to analysis of interstellar visitors, scientists are rethinking how and where to look for physical traces of ...

Musk compared consciousness to a candle in a “vast darkness" during remarks about aliens at the World Economic Forum in Davos ...

Still, the fancy persists, implanted like a microchip, ever since Erich von Däniken’s 1968 best-seller, “Chariots of the Gods ...

Language and radio signals may not matter to aliens. Instead, they might be using patterns to leave a biological fingerprint.

A new paper posits that advanced alien civilizations may communicate through subtle flashes, like fireflies do on Earth. The thought experiment suggests that we need to avoid human biases in our ...

At Davos, the billionaire said his belief that "it might only be us" in the cosmos drives Tesla, SpaceX, and his vision for ...

Erich von Däniken, the Swiss author whose books on the extraterrestrial origins of ancient civilizations brought him both ...

Some scientific breakthroughs may be lost to time due to scandal and redaction, while others are simply a case of waiting for more evidence. We take a look back at some that made headlines—and that's ...