They're ominous and sometimes even creepy. Yet we can't stop watching movies about aliens.
Under the Skin (2013)
An alien being, disguising itself as a human woman, lures men into its van.
Earthlings misread the intentions of martian visitors and die, in a parody of '50s sci-fi films.
A linguistics professor leads an elite team in an attempt to communicate with 12 alien visitors.
Men in Black
A veteran (Tommy Lee Jones) and a rookie (Will Smith) track aliens on Earth.
Superman (Christopher Reeve) learns of a plot to destroy the West Coast.