Your phone buzzes with a breaking news alert: "Astronomers detect unusual signal from distant star system." Within hours, social media explodes with alien conspiracy theories, deepfake "evidence," and ...

Is intelligent alien life really out there? With powerful telescopes identifying more potentially habitable planets each year, the possibility continues to grow. But what would happen if we actually ...

Add Yahoo as a preferred source to see more of our stories on Google. The great physicist Enrico Fermi first posed the challenging question over half a century ago, wondering why we appear to be alone ...

A man claiming to be a 'time traveller' from 2045 has sparked fresh debate online after asserting that alien contact in 2028 will reveal extraterrestrials are not from outer space, a claim he made ...

Ranging from peaceful visits to devastating wars, humanity's first encounters with extraterrestrial life is one of the most ...

Scientists are listening in on sperm whale conversations and studying Earth's strangest microbes to prepare humanity for first contact with extraterrestrial life. Tardigrades—a type of invertebrate ...