Science fiction often takes audiences across the galaxy, seeing unknown worlds and creatures. It's typically a way to escape from reality and see something amazing — until the extraterrestrials invade ...

Alien invasion stories have been around for decades, and some of sci-fi's most interesting entries are often overlooked or completely forgotten today.

Steven Spielberg once again made a movie that focuses on aliens coming to Earth, so it's probably worth watching some other great alien invasion films.