Case library

Case archive

Browse mystery case files with source excerpts, evidence, debunks, timelines, media, and current assessments.

Featured case files

Featured cases

More
Australian Transport Safety Bureau
#1Missing CasesLatest report Jul 30, 2018

Malaysia Airlines Flight MH370

94

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

11 sources11 evidence items
YouTube
#2UFO / UAPLatest report Mar 13, 2025

Phoenix Lights

91

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.

12 sources12 evidence items
U.S. Department of Defense
#3UFO / UAPLatest report Apr 27, 2020

Nimitz Tic Tac UFO

90

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.

7 sources7 evidence items
Encyclopaedia Britannica
#4CryptidsOccurred Aug 1, 1958

Bigfoot

88

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

14 sources14 evidence items
China Daily
#5Chinese Mysteries杭州萧山机场 UFOLatest report Jul 26, 2010

Hangzhou Xiaoshan Airport UFO

86

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

12 sources12 evidence items
Ohio State University Radio Observatory Archive
#6Strange SignalsLatest report Aug 15, 1997

Wow! Signal

84

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

11 sources11 evidence items

Latest reporting

Recent source dates

More
PURSUE UAP Records
UFO / UAPLatest report Jun 9, 2026

PURSUE UAP Records

71

PURSUE UAP Records is tracked as a source cluster with 3 independent source domains and 2 extracted evidence items.

6 sources6 evidence items
Wikipedia
Government ProjectsLatest report May 22, 2026

Project Blue Book

52

Project Blue Book is being reviewed for source density, chronology, media provenance, and competing explanations before full publication.

13 sources13 evidence items
Astonishing Legends
UFO / UAP贝茨神秘球Latest report Mar 6, 2026

Betz Mystery Sphere

64

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.

7 sources7 evidence items
YouTube
UFO / UAPLatest report Mar 13, 2025

Phoenix Lights

91

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.

12 sources12 evidence items
NASA
Unexplained EventsLatest report Jun 30, 2023

Tunguska Event

53

Tunguska Event is being reviewed for source density, chronology, media provenance, and competing explanations before full publication.

9 sources9 evidence items
Ariel Phenomenon
UFO / UAPLatest report Jul 5, 2021

Ariel School UFO

83

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.

7 sources7 evidence items