Skeptics of ETs and UFOs often demand proof, but few “smoking guns” ever reach the public. Aerial Phenomena with Richard Dolan delivers. | Gaia

On Friday, May 31st, discover more about the UFO phenomenon than ever before in a six-part docuseries that goes inside the Pentagon’s research on the unexplained. Watch “Unidentified: Inside America’s UFO Investigation” on History. | HISTORY

Watch as this team investigates into known sightings of unidentified crafts with capabilities far beyond our current technology. Unidentified: Inside America's UFO Investigation is starting NOW! | HISTORY