Did a UFO really crash near Roswell, N.M., in 1947? What was that mysterious triangle of lights that hundreds of people spotted over Phoenix, Ariz., last fall? Are alleged alien abductees telling the truth? For a new series on the National Geographic Channel called “Chasing UFOs,” a team of investigators visited UFO hotspots around the world and interviewed witnesses in an attempt to address some of history’s most famous purported evidence that aliens have visited Earth.

via Roswell, Other Famous UFO Claims Get a Fresh Look | LifesLittleMysteries.com.