Back to the Future is widely considered one of the best sci-fi movie trilogies of all time, but there are five that are ...

David looks smug while wearing his spacesuit in Prometheus - 20th Century Fox Welcome toThe Best Movies Never Made, a look back at the most fascinating, strange, and tantalizing films that never ...

These wildly different films explore the wondrous, and sometimes terrifying possibilities of contacting extra-terrestrial life.

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