Far beyond the eight familiar planets in our solar system, countless bizarre and extreme worlds await discovery — and some have already been found. Thanks to rapidly advancing telescope technology, ...

Here’s what you’ll learn when you read this story: The Search for Extraterrestrial Intelligence (SETI) focuses on finding technosignatures—potential signs of alien technology. If we look carefully, we ...

A new Alien: Earth teaser has set up the alien invasion of earth the show revolves around. The brief clip, below, shows events from the point of view of an alien as it races through the interior of a ...