For generations, the idea of an alien invasion has captured our imagination. Movies, television shows, books, and conspiracy theories have painted a picture of advanced extraterrestrial civilizations ...

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 ...

The spaceship in "District 9" is pictured. - Sony Pictures Releasing 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 ...

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, ...