Stephen Hawking: If aliens call, we should be 'wary of answering'

Physicist Stephen Hawking is more convinced than ever that humans are not the only intelligent life form in the universe. Hawking details his quest to find alien life and takes viewers on a tour of his favorite places in the universe, in a newly released 25-minute film from CuriosityStream, an online video-on-demand platform. In Stephen Hawking’s Favorite Places, the iconic science superstar notes in recent years, scientists found thousands of planets outside our solar system.

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