We may receive a commission on purchases made from links. Are we alone in the universe? It's a huge question with no easy answer. And, following on from that, if we aren't alone, what would beings ...

Steven Spielberg's War of the Worlds, starring Tom Cruise and Dakota Fanning, is invading a new streaming platform in March. Find out more.

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 ...