In 1952, a series of unexplained sightings took place in the skies above Washington. These unidentified objects attracted ...

Steven Spielberg's Disclosure Day is the latest movie to tackle the subject of first contact, but these masterpieces ...

Our guide on the five best movies about aliens to stream on Netflix right now.

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 ...