A sweeping ranking of the greatest alien films spans decades and tones, placing War of the Worlds (2005) at 10 and E.T. the Extra-Terrestrial (1982) at 1 with Predator (1987), Invasion of the Body Snatchers (1956), Arrival (2016), Close Encou… #aliens #apr2026 #collider #ovni #uap #ufo #ufosky #usa https://collider.com/greatest-alien-movies-all-time-ranked