Filmmakers have shaped our perception of the unknown, and Steven Spielberg has had aliens on the mind for a while now. He even believes they have been to Earth and may still be amongst us. Will his depiction of alien lifeforms in his anticipated new film 'Disclosure Day' challenge audiences?

Aliens have been a subject of films for over a century, and they’ve grown into a beloved and oft-revisited trope in cinema during that time. Envisioned and executed by some of the greatest filmmakers of all time, the best of these movies take audiences ...