The Alien franchise's Xenomorphs are truly terrifying, but there are other sci-fi creatures that are more powerful.

Just in time to plan your spooky season, a major horror icon has made its return in a big way. […] ...

Ripley destroys the Nostromo after learning the company wanted the alien, but the xenomorph survives aboard her escape ...

The "Alien," "Predator," and "Terminator" franchises play host to three of the greatest sci-fi villains of all time, but only ...