Steven Spielberg returns to alien storytelling with Disclosure Day, a global thriller exploring what happens when humanity learns we are not alone.

The 1980s were a golden era for science fiction movies, but not everything that hit the big screen aged well. These classics were probably better at the time.

A financial crisis could be triggered by an announcement that aliens exist, according to Helen McCaw, a former policy expert of the Bank of England. McCaw told The Times of London that politicians and ...