In a Truth Social post, the U.S. president said his move was based on the "tremendous interest" in the subject, without providing additional details.

Obama replied “They’re real, but I haven’t seen them, and they’re not being kept in … what is it …?” “Area 51?” the interviewer responded. Then Obama said, “Area 51. There’s no underground facility.

How big would a telescope need to be to see Earth’s dinosaurs from 66 million light-years away? Think big—and then think ...

The Search for Extraterrestrial Intelligence (SETI) focuses on finding technosignatures—potential signs of alien technology. If we look carefully, we might have a chance at detecting their ...

Add Yahoo as a preferred source to see more of our stories on Google. An illustration shows what exoplanet K2-18b might look like based on data from NASA's James Webb Space Telescope. K2-18b is 8.6 ...

What if we were the aliens? In a great 1991 episode of 'Star Trek: The Next Generation,' the notion of aliens among us was ...

Alien and Predator are iconic sci-fi horror franchises that have inspired many must-play games.