What are the most famous and curious UFO cases in history?

Extraterrestrial fever emerged in the 20th century during the 1960s, 70s and 80s, largely due to films, but years before, even in the 19th century, unexplained strange occurrences

UFO Report: No Sign Of Aliens, But 143 Mystery Objects Defy Explanation : NPR

The Government's Search for Aliens and Why They Likely Exist

A UFO conspiracy theorist's search for the truth - Washington Post

Why Have There Been So Many UFO Sightings Near Nuclear Facilities?

UFO' docuseries reopens case of 1997 Phoenix Lights

UFO Hunters: INCREDIBLE Alien Evidence Comes to Light *4 Hour Marathon*

Kenneth Arnold UFO sighting - Wikipedia

Pentagon UFO office unveils official website for reporting sightings

Hearing on Government Investigation of UFOs

Is the Government Concealing UFO Craft and Dead Extraterrestrials?, BU Today

The History of UFOs - JSTOR Daily

UFO Sightings - Topics on

The Unknown & Otherworldly Near Vernal, Utah

Visit NH : Undiscovered NH: Spooky Stops