"Disclosure Day" director Steven Spielberg has said that his latest film, which sees him return to the topic of UFOs and extra-terrestrial life forms, is "built on a foundation of truth." Few directors have explored onscreen over the years the possibility of life on other planets more thoughtfully than Spielberg,

Steven Spielberg says he "would not be the right person" to serve as an ambassador for humanity when we meet aliens.

His latest film, Disclosure Day, also focuses on aliens - specifically on a whistleblower who races against the clock to unveil a conspiracy by the government to keep knowledge of extra-terrestrials u...