Steven Spielberg began tackling the story for his latest movie, Disclosure Day, after a rare sequence of two films that fell flat at the box office.

Steven Spielberg’s new film Disclosure Day imagines the moment 8 billion humans find out that we are not alone in the universe.

From beloved blockbusters like “Jurassic Park” and “E.T. the Extra-Terrestrial” to darker, challenging works like “A.I. Artificial Intelligence” and “War of the Worlds,” he’s used the infinite possibi...