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

Add Yahoo as a preferred source to see more of our stories on Google. You really can't go wrong with an alien movie. Give me anything involving alien invasions, strange objects appearing in the sky, ...

Michael Fassbender and Alicia Vikander star as mysterious aliens in Na Hong-jin's sci-fi thriller _Hope_, set amidst an alien attack on a South Korean village.

With Disclosure Day upon us, now is a fantastic time to discover underrated or forgotten alien films that should be seen by any movie lover.