Here we've given a selection of the best alien invasion movies.
Released in 2014, Edge of Tomorrow is an action film with an approximated budget of $178,000,000.
Featuring Robert Downey Jr. and Chris Evans, The Avengers received a movie rating of 7.
Released in 2015, Home is a fantasy movie with an approximated budget of $135,000,000.
Released in 2005, The Hitchhiker's Guide to the Galaxy is an adventure movie with an estimated budget of $50,000,000.
Stargate: Continuum was released in 2008, featuring Ben Browder and Amanda Tapping and earned an average rating of 6.7.
Ender's Game was released in 2013, starring Asa Butterfield and Harrison Ford and received an average rating of 6.6.
Man of Steel was released in 2013, starring Henry Cavill and Amy Adams and received an average rating of 6.3.
War of the Worlds is an adventure, thriller movie featuring Tom Cruise, Dakota Fanning and Miranda Otto.
Starring Saoirse Ronan and Diane Kruger, The Host received a film rating of 6.
Alien Nation was released in 1988, starring James Caan and Mandy Patinkin and received an average rating of 5.8.