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

The big screen has played host to many epic alien invasions, but so have our TVs, and here's the five best alien invasions ...

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. You really can't go wrong with an alien movie. Give me anything involving alien invasions, strange objects appearing in the sky, ...

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 ...

The fate of the world rests on a group of neighborhood toughs in a South London apartment building in Attack The Block. Their leader, Moses (John Boyega, center), robs a defenseless woman in the ...