Did NASA discover city lights on an alien planet? This video explores the implications and details of the findings that ...

One of them is about 4.2 light years away - more than a whopping 24 trillion miles from Earth! Find out more here.

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 ...

The images that recently have gone viral actually date back to 2001.

Have you ever wondered what would happen if a planet full of aliens was ever discovered? It's pretty mind-boggling to think just how vast the universe could be, and how much life could actually exist ...

Movies like "Disclosure Day" and "Project Hail Mary" renew our fascination with extraterrestrials and the idea that humankind ...

Add Yahoo as a preferred source to see more of our stories on Google. The Search for Extraterrestrial Intelligence (SETI) focuses on finding technosignatures—potential signs of alien technology. If we ...

The hunt for life beyond Earth has taken an unexpected twist as President Barack Obama claims that aliens are real, but that he doesn't know where they are. The former president said in an interview ...

A warehouse worker, Teddy (played by Jesse Plemons), accuses high-powered CEO Michelle (Emma Stone) of being an ...