How UFO Sightings Became an American Obsession

Which Presidents Have Seen UFOs? Yep, It's More Than One. - POLITICO

The new American religion of UFOs - Vox

UFO' Review: Outer Space, the Inside Story - WSJ

The truth is still out there: why the current UFO craze may be a problem of intelligence failings

Which Presidents Have Seen UFOs? Yep, It's More Than One. - POLITICO

Unidentified flying object - Wikipedia

History of UFOs - Sightings, Timeline & Abductions

How the Pentagon Started Taking U.F.O.s Seriously

Public's UFO obsession has experts, others sorting what's fact, what's fiction - ABC News

UFO Obsessed? Check out 'Sightings' in Sun Valley, Arts & Culture

Close Encounters of the Third Kind (1977) - IMDb

How UFO Sightings Became an American Obsession

UFO Sightings: U.S. Military Takes Them Seriously, You Should Too - Bloomberg