Clutch your drink, grab a blanket, and turn out the lights.

Body snatching has long been a story device used to grip audiences. As humans, bodily autonomy is something generations have fought for and the fragility of that agency can be a terrifying prospect.

For your extraterrestrial viewing needs, Stacker ranked the top 30 alien movies, according to their IMDb user rating.

The line between science fiction and horror is not always clear-cut. It is, after all, all too common for a sci-fi plot to reveal a horror of our own making (“I’m sorry Dave, I’m afraid I can’t do ...