A recent theory proposed by a NASA scientist suggests that extraterrestrial civilizations may not possess the wildly advanced technology that many UFO enthusiasts expect. This perspective, which ...

Debunking alien claims matters, but so does telling richer, more compelling stories about how humans shaped their own past.

IMAGES of an unusual pyramid-shaped structure on Mars that look like those in Egypt have reignited wild theories about aliens living on the planet. All sorts of bizarre objects have been spotted ...

A recent conundrum about a star 1,500 light years away discovered by the Kepler Space Telescope has extraterrestrial enthusiasts crying "alien" as an explanation, but scientists studying the star are ...

The discovery of a mysterious interstellar object called "3I/ATLAS" and its transit through our solar system has set off all kinds of speculation about whether the fairly massive visitor could be some ...

Add Yahoo as a preferred source to see more of our stories on Google. Photo Credit: Kyle Mazza/Anadolu via Getty Images Barack Obama is clarifying what appeared to be his confirmation that aliens did ...