34K views · 290 reactions | Follow along TONIGHT at 10/9c with an elite team of former military and intelligence officials, led by the man who once ran the Pentagon's secret UFO program. Watch the premiere of Unidentified: Inside America's UFO Investigation! | HISTORY | Facebook

14K views · 366 reactions | UFO Secrets Exposed: The Airforce Cover-Up That Drove a Man INSANE | A Message for Humanity #mystery #Alien #extraterrestrial #earth #reptilians | Space Stories | Facebook

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

48K views · 1.6K reactions | Earlier this year, the U.S. government released a groundbreaking report on UFO sightings. What truths did this document reveal? On September 17, The Proof Is Out There returns with a special UFO investigative episode. Enjoy this sneak peek, then tune in at 10/9c, only on The HISTORY Channel! | Ancient Aliens | Facebook