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

Once, a man called the authorities about an "enormous light" that was "blazing" above his house—only to call back shortly to explain it was actually the Moon.

From unforgettable classics to modern sci-fi hits, these Hollywood alien films have captivated audiences for decades.

The top-grossing directors of all time have earned billions of dollars in global movie ticket sales across their popular ...