13K views · 105 reactions | Watch as this team investigates unexplained sightings on the premiere of Unidentified: Inside America's UFO Investigation Friday at 10/9c. | HISTORY | Facebook

The U.S. government is investigating more than 650 potential UFO sightings that were concentrated off the East Coast and West Coast of the U.S., in the Middle East and in the area of the South China Sea, a Pentagon official said. https://cbsn.ws/3USZZ1K Video credit: Department of Defense | CBS News

The Pentagon’s new office for investigating potential UFO sightings revealed it received hundreds of reports last year, and while many can be explained, some remain a mystery. https://cbsn.ws/3XbWN1N | CBS Evening News

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