The curious minds at What If imagine finally discovering alien life on Mars, exploring the scientific, cultural, and planetary ramifications.

The director of The Age of Disclosure, a new documentary that bills itself as revealing a decades-old government cover-up of non-human intelligence, suggested that the president could soon confirm the ...

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 ...