With 'Disclosure Day,' the director returns to a longtime preoccupation. Two Times staffers explore his ongoing fascination with extraterrestrials.

For your extraterrestrial viewing needs, Stacker ranked the top 30 alien movies, according to their IMDb user rating.

Otherworldly aliens are as important to the "Star Wars" saga as a rousing score or elaborate outer space fights between cool spaceships. From the very first entry in this narrative, "Star Wars" has ...