Most Source-Backed Cases

The 2024 U.S. defense authorization law directed the National Archives to establish a UAP records collection and required agencies to identify and review relevant files.

A North American hairy humanoid tradition built from Indigenous accounts, modern sightings, footprints, film, and contested biological claims.

The Roswell Incident began with 1947 debris recovery reports and later became a central UFO case through official explanations, archival material, and decades of media reinterpretation.

On March 13, 1997, thousands of Arizona residents reported unusual lights crossing the night sky. The case is best understood as two overlapping episodes: an earlier wave of witnesses describing a large silent V-shaped formation moving across the state, and a later widely filmed row of bright lights near Phoenix that officials and skeptics associate with military flares over the Barry Goldwater Range.

Project Blue Book was the U.S. Air Force program that investigated UFO reports from 1952 to 1969; its records, conclusions, and unresolved files remain publicly debated.

A Boeing 777 disappeared on 8 March 2014 after deviating from its route from Kuala Lumpur to Beijing.

A 2010 Chinese airport disruption attributed to an unidentified aerial object, later surrounded by disputed photos and explanations.

A heavy metal sphere found by the Betz family in Florida in 1974 became a long-running UFO-adjacent mystery after reported odd movements, Navy inspection, X-ray claims, and later industrial-object explanations.

A strong narrowband radio signal detected by Ohio State University's Big Ear radio telescope in 1977 and never confirmed again.

A powerful atmospheric explosion flattened Siberian forest near the Tunguska River in 1908; scientific evidence strongly favors an asteroid or comet airburst.

Stonehenge is a prehistoric monument built in stages in southern Britain; archaeology explains much of its construction while its changing ritual purposes remain debated.

Ariel School UFO refers to the 1994 Ruwa, Zimbabwe schoolyard sighting reported by dozens of children and later covered by journalists, documentary researchers, and reference archives.

The Yeti tradition combines Himalayan folklore, expedition accounts, footprints, photographs, and biological samples that have generally matched known animals.

Tabby's Star showed irregular deep dimming that prompted unusual hypotheses; dust and circumstellar material remain stronger explanations than artificial structures.

Unusual lights have long been reported near Marfa, Texas; vehicle headlights, atmospheric effects, and a smaller unresolved observation set compete as explanations.

The Nimitz Tic Tac UFO case centers on U.S. Navy encounters and released infrared footage later acknowledged through official Department of Defense and AARO materials.

Mary Celeste was found adrift and abandoned in 1872, creating one of the most durable maritime mystery cases.

AATIP was a Pentagon-funded effort associated with aerospace threat and UAP research from 2007 to 2012; its scope and later public characterization remain disputed.

Stargate Project tracks the CIA and U.S. government remote-viewing program record trail, centered on declassified CIA documents and the STARGATE collection rather than unrelated Iraq stargate conspiracy claims.

The Loch Ness Monster case combines eyewitness reports, disputed photographs, sonar searches, environmental DNA research, and recurring misidentification explanations.