Whether you call them aliens, mechas, or inter-dimensional beings, Steven Spielberg’s otherworldly visitors offer insight into how he sees humanity and the mysteries of the universe. Here's a chronology of his many extraterrestrials.

In “Disclosure Day,” out Friday, Steven Spielberg is once again inviting audiences to ponder the existence of extraterrestrial life — and the implications it would have for religion on Earth.

Steven Spielberg is back.... with aliens!