Alien invasion stories have been around for decades, and some of sci-fi's most interesting entries are often overlooked or completely forgotten today.

An international research team led by the University of Vienna has produced, for the first time, high-resolution global maps of invasion risk for thousands of alien plant species under current ...

Add Yahoo as a preferred source to see more of our stories on Google. Some of the greatest sci-fi movies of all time revolve around humans in a desperate struggle for survival. Sometimes we're ...

Day One featured another horrifying alien attack, but one thing that unexpectedly made the movie memorable was a cat named ...

Aliens are among us. At least, that's what Hollywood would like you to believe. While there's plenty of alien invasion movies to stream on services like Netflix, television is no stranger to producing ...