Disclosure Day, Steven Spielberg’s latest sci-fi thriller, concludes with an alien delivering a mysterious message that the film intentionally withholds from viewers.

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.

When the Earth’s population receives an alien radio signal that includes instructions for building a mysterious machine, people must decide together what to do with it.