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Stories1,449 · page 51

The Lake Vorota Monster: Viktor Tverdokhlebov and the Labynkyr Devil (1953)
July 30, 1953 · Lake Vorota, Sordonnokh Plateau, Oymyakon district, Sakha (Yakutia)
Russia
Cryptid · Creature · 28 sources
23Thinly documented
The Houston Batman
June 18, 1953 · 118 East Third Street, Houston Heights, Houston, Texas
United States
Cryptid · Being / humanoid · 26 sources
19Thinly documented
The Kingman, Arizona Crash-Retrieval Claim
May 21, 1953 · Near Kingman, Mohave County, Arizona (exact site disputed)
United States
UAP · Being / humanoid · 23 sources
15Thinly documented
Brush Creek Flying Saucer Ambush
May 20, 1953 · Marble Creek and Jordan Creek diggings, near Brush Creek, Plumas National Forest, Butte County, California
United States
UAP · Being / humanoid · 9 sources
24Thinly documented
F-94 and Ground Radar Sighting at Nemuro, Hokkaido, 1953
February 7, 1953 · Nemuro AF Detachment, Nemuro, Hokkaido (also listed as "Korean area" and "Okinawa")
Japan
UAP · Unknown · 12 sources
40Partially documented
The Roman Soldiers in the Cellar of Treasurer's House, York (Harry Martindale, 1953)
February 1953 · Cellar of Treasurer's House, Minster Yard, York, England
United Kingdom
Paranormal · Being / humanoid · 17 sources
16Thinly documented
The Robertson Panel: The CIA's Secret UFO Review
January 14, 1953 · Washington, D.C. (exact building unresolved; CIA headquarters and the Pentagon both claimed)
United States
UAP · Disc / saucer · 33 sources · 1 photos
46Partially documented
The Tulli Papyrus: the "circles of fire" of Thutmose III
1953 · Vatican Museums, Vatican City (where the claim originated; the text names no place)
Vatican City
UAP · Other · 13 sources
16Thinly documented
Beachy Head radar 'blip' over the English Channel (1953)
1953 · RAF Beachy Head, near Eastbourne, East Sussex
United Kingdom
UAP · Unknown · 12 sources
24Thinly documented
Johnnie, the St. Johns River Monster: Buck Dillard's Lake Dexter sighting, 1953
1953 · Lake Dexter, St. Johns River, near Astor, Florida
United States
Cryptid · Creature · 18 sources
15Thinly documented
The F-94 Interceptor Encounter near Hanford (Odessa Case)
December 10, 1952 · Odessa, Washington (popularly placed near the Hanford plant)
United States
UAP · Sphere · 20 sources
49Partially documented
B-29 radar-visual encounter over the Gulf of Mexico (Karas, Naumann / "Harter and Coleman")
December 6, 1952 · Gulf of Mexico, about 100 miles south of the Louisiana coast, about 190 miles from Galveston, Texas
United States
UAP · Other · 23 sources
47Partially documented
The Ardachie Lodge Haunting, Fort Augustus
December 1952 · Ardachie Lodge, near Fort Augustus, Loch Ness, Inverness-shire, Scotland
United Kingdom
Paranormal · Being / humanoid · 20 sources
21Thinly documented
George Adamski's Desert Center Contact
November 20, 1952 · Colorado Desert, about 10 miles from Desert Center on the road toward Parker, Arizona, Riverside County, California
United States
UAP · Being / humanoid · 46 sources
39Partially documented
Napier / Sugarloaf Hill bright light reported to police (1952)
October 30, 1952 · Sugarloaf Hill (Sugar Loaf / Pukekura), Taradale, near Napier, Hawke's Bay
New Zealand
UAP · Unknown · 11 sources
27Thinly documented
The Marignane Airport Landing (Gabriel Gachignard)
October 27, 1952 · Marignane airport (now Marseille Provence Airport), Bouches-du-Rhône
France
UAP · Cigar · 11 sources
14Thinly documented
The Akureyri Spheres
October 26, 1952 · Akureyri, Eyjafjörður, northern Iceland
Iceland
UAP · Sphere · 17 sources
25Thinly documented
Little Rissington UFO Incident
October 21, 1952 · RAF Little Rissington, Gloucestershire
United Kingdom
UAP · Disc / saucer · 17 sources
46Partially documented
The Angel Hair Sightings at Oloron-Sainte-Marie and Gaillac
October 17, 1952 · Oloron-Sainte-Marie, Béarn (Pyrénées-Atlantiques), and Gaillac, Tarn
France
UAP · Cigar · 15 sources
28Thinly documented
The RAF Topcliffe "Perfect Flying Saucer" During Exercise Mainbrace
September 19, 1952 · RAF Topcliffe, near Thirsk, North Yorkshire (approach to RAF Dishforth)
United Kingdom
UAP · Disc / saucer · 20 sources
33Partially documented

Names138 · see all

Documents945 · see all

  • Project Blue Book Special Report (second copy) Report
    Internet Archive· 309 pages· 96 pages mention it
    • p. 105 …Evaluation of Unit Sightings by Sighting Reliability Groups, 1948 132 Table A35. Evaluation of Unit Sightings by Sighting Reliability Groups…
    • p. 107 …Evaluation of All Sightings by Duration of Sighting, 1948 154 Table A84. Evaluation of All Sightings by Duration of Sighting…
  • Project Blue Book Special Report No. 14: Analysis of Reports of Unidentified Aerial Objects Analysis
    United States Air Force, Air Technical Intelligence Center· 1955-05-05· 309 pages· 96 pages mention it
    • p. 105 …Evaluation of Unit Sightings by Sighting Reliability Groups, 1948 132 Table A35. Evaluation of Unit Sightings by Sighting Reliability Groups…
    • p. 107 …Evaluation of All Sightings by Duration of Sighting, 1948 154 Table A84. Evaluation of All Sightings by Duration of Sighting…
  • (Analysis of Reports of Unidentified Aerial Objects) FOIA release
    Central Intelligence Agency· 2005-07-12· 312 pages· 140 pages mention it
    • p. 107 …Evaluation of Unit Sightings by Sighting Reliability Groups, 1948. 132 Table A35. Evaluation of Unit Sightings by Sighting Reliability Groups…
    • p. 108 …Evaluation of All Sightings for 1952 by Sighting Reliability Groups, Civilian Observers 139 Table A60. Reported Colors of Objects Sighted…
  • CIA-UAP-015, Project Blue Book Special Report No. 14 (Analysis of Reports of Unidentified Aerial Objects) Case file
    Central Intelligence Agency· 312 pages· 95 pages mention it
    • p. 107 …Evaluation of Unit Sightings by Sighting Reliability Groups, 1948 . Table A35. Evaluation of Unit Sightings by Sighting Reliability Groups, 1949…
    • p. 109 …Evaluation of All Sightings by Duration of Sighting, 1948 Table A84. Evaluation of All Sightings by Duration of Sighting, 1949…
  • Office of the Secretary of Defense: 25_Sky_View_Final_Draft Official release
    Department of Defense. Office of the Secretary of Defense.· 2023· 16 pages· 14 pages mention it
    • p. 5 …A timeline of reported sightings for the study period is provided in Figure 1, with a marked peak in sightings…
    • p. 10 …increasing sightings); values below 1 indicate a negative relationship (decreasing sightings). For example, the coefficient for Mean Light Pollution is…
  • Fact Sheet Air Force UFO Report FOIA release
    Central Intelligence Agency· 2001-04-30· 5 pages· 5 pages mention it
    • p. 1 # NEWS RELEASE PLEASE NOTE DATE IMMEDIATE RELEASE ## FACT SHEET AIR FORCE UFO REPORT A total of 173 sightings of unidentified…
    • p. 4 …first, there is no evidence that unidentified sightings were inimical or hostile; second, there is no evidence that unidentified sightings…

All 945 documents →

Videos351 · see all

Released footageFBI-UAP-PR0042025
“Northeastern Orb Sighting,” 2025
PURSUE release
Released recordingNASA-UAP-D003A1965-12-05
Gemini 7 Audio Excerpt, 1965
PURSUE release
Released footageDOW-UAP-PR0752021
"09JUN2021 [Platform] observed UAP in the ECS"
PURSUE release
Released recordingDOW-UAP-PR1601952-03-26
Presentation by Captain Edward J. Ruppelt, 1952
PURSUE release
Video1566
1561 Sky Battle: The Best of History's UFO Sightings, Ep 121
From The 1566 Celestial Phenomenon over Basel (the Basel Broadsheet)
Video1869
Bigfoot Sightings in Western New York: Steuben County
From The Wild Man of Woodhull: 200 Men Hunt a Shrieking Figure Through the Steuben County Woods
Video1871
The North Queensland Striped Tiger Cat or Marsupial Tiger sightings in the early 1900s
From The Sheridan Boy and the Striped Queensland Tiger, Cardwell (1871)
Video1896
'Mystery Airship' Sightings, 1896-1897
From Mystery Airship Wave of 1896 and 1897

All 351 videos →