The history of UFO sightings in North America goes back nearly 80 years. Explore the timeline of some of the most famous sightings and listen to testimonials from witnesses and the experts who dedicate their careers into uncovering the mysteries behind them. Solve the unknown in the brand new series, UFOs: Investigating The Unknown, Tuesdays at 8pm on National Geographic UK. | National Geographic UK
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From a 1986 sighting over Alaska by Japanese Airline pilots, to a 1997 UAP sighting over Phoenix Arizona and a flying disc over the Chicago O’Hare airport in 2008, hundreds of witnesses come forward without any official feedback from the US government. Years later many of the pilots and government officials who witnessed these sightings come together for the first time to share their story in a 2007 press conference. Hear their shocking accounts in brand new episodes of UFOs: Investigating The U
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