Science fiction has long speculated about the possibility of first contact with an alien species from a distant world and how we might be able to communicate with them. But what if we simply don’t ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Neil deGrasse Tyson, left, and an illustration of a flying saucer. "The real transition for me was the high-ranking officials who ...