Alien: Earth is an ambitious and controversial look at the Alien franchise, and by focusing less on xenomorphs, it broke a major series rule.

That ending that changes everything, explained by Dexter Sol Ansell and Peter Claffey.

High-energy particles zipping through the cosmos are harmful to life on Earth, but scientists think it could be food for potential alien life elsewhere. Saturn's moon Enceladus (shown here in a 2006 ...