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 ...

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 ...

What do you get when you take an alien parasite and smush it together with a human being? Would you get to become a ...

It's a big universe out there, and while we're all for exploring it, a specific subgenre of science fiction movies has hinted that it might be a bad idea. Alien invasion movies have come in droves ...

The night is dark; darker than usual. There's a warm breeze in the air, but otherwise nothing stirs save for a strange metallic object careening through the sky. As it moves, a soft glow follows, ...