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Stories1,449 · page 15

Dan-Air Boeing 737 Wingless Projectile near Gatwick, 1991
June 17, 1991 · Climb-out from London Gatwick Airport, West Sussex, England, en route to Hamburg
United Kingdom
UAP · Cylinder · 14 sources
26Thinly documented
Nottingham low-flying triangles
May 22, 1991 · Nottingham, from Carlton toward Ilkeston, and Calverton, Nottinghamshire
United Kingdom
UAP · Triangle · 14 sources
19Thinly documented
Musa Manarov's Mir UFO video (1991)
May 20, 1991 · Mir space station, low Earth orbit
Space
UAP · Cigar · 23 sources
29Thinly documented
Alitalia MD-80 near miss over Lydd, Kent (Capt. Achille Zaghetti)
April 21, 1991 · Over Lydd, Romney Marsh, Kent, England
United Kingdom
UAP · Cigar · 17 sources
47Partially documented
The Baviaanspoort and Eersterust Triangle Sightings, Pretoria
April 7, 1991 · Baviaanspoort and Eersterust, Pretoria, Gauteng
South Africa
UAP · Triangle · 14 sources
13Thinly documented
The Kecskemét Air Base Runway Sighting
January 18, 1991 · Kecskemét Air Base, Bács-Kiskun county, Hungary
Hungary
UAP · Unknown · 11 sources
38Partially documented
The Exmouth diamond craft escort, North West Cape (1991)
c. 1991 · Coast road between US Naval Communication Station Harold E. Holt and Exmouth, North West Cape, Western Australia
Australia
UAP · Diamond · 17 sources
21Thinly documented
The Place Bonaventure UFO, Montreal (1990)
November 7, 1990 · Hôtel Bonaventure rooftop pool, Place Bonaventure, downtown Montreal, Quebec
Canada
UAP · Disc / saucer · 34 sources · 1 photos
42Partially documented
The French UFO wave of 5 November 1990 (Gorizont 21 re-entry)
November 5, 1990 · Across France, from the Bay of Biscay to Alsace (Gretz-Armainvilliers, Tulle, Dax, Colmar, Mulhouse), also seen from Belgium, the Netherlands and Germany
France
UAP · Triangle · 36 sources · 1 photos
58Partially documented
South Bay Bessie: the Lake Erie monster sightings of 1990
September 4, 1990 · Lake Erie, north of Cedar Point, near Huron and Sandusky, Ohio
United States
Cryptid · Creature · 22 sources
20Thinly documented
The Greifswald Lights
August 24, 1990 · Greifswalder Bodden, north-east of Greifswald, Mecklenburg-Vorpommern (then GDR)
Germany
UAP · Formation · 25 sources · 2 photos
48Partially documented
The Queen of Heaven Cemetery crucifix: Joseph Reinholtz's Marian visions and the bleeding cross of Hillside, Illinois
August 15, 1990 · Queen of Heaven Catholic Cemetery, Wolf Road and Roosevelt Road, Hillside, Cook County, Illinois
United States
Paranormal · Being / humanoid · 15 sources
22Thinly documented
The Calvine UFO Photograph
August 4, 1990 · Moorland above Calvine, near Pitlochry, Perth and Kinross
United Kingdom
UAP · Diamond · 56 sources · 3 photos
49Partially documented
The Bardhaj Diamond of Lights, Shkodër
August 1, 1990 · Bardhaj, near Shkodër, northern Albania
Albania
UAP · Diamond · 12 sources
21Thinly documented
The Petit-Rechain Triangle Photograph
c. 1990 · Petit-Rechain, Verviers, province of Liège
Belgium
UAP · Triangle · 27 sources · 3 photos
30Partially documented
Pereslavl-Zalessky Radar and Fighter-Jet Incident (Gen. Igor Maltsev's Statement)
March 21, 1990 · Pereslavl-Zalessky region, north-northeast of Moscow (also Zagorsk/Sergiyev Posad, Fryazino, Kirzhach)
Russia
UAP · Disc / saucer · 24 sources
54Partially documented
The Virgen del Cerro apparitions of Tres Cerritos, Salta
1990 · Second of three hills above the Tres Cerritos neighbourhood, northern Salta city, Salta province
Argentina
Paranormal · Being / humanoid · 32 sources
26Thinly documented
The Sada Silver Disc and the EVA-10 Radar Echoes
December 5, 1989 · Sada and O Castro, A Coruña, Galicia (radar at EVA-10, Monte Iroite, Noia)
Spain
UAP · Disc / saucer · 14 sources
52Partially documented
The Belgian UFO Wave
November 29, 1989 · Eupen and the Hautes Fagnes, Liège province, later across Wallonia
Belgium
UAP · Triangle · 62 sources
59Partially documented
Campbellton triangles over Sugarloaf Mountain
November 1989 · Sugarloaf Mountain, Campbellton, Restigouche County, New Brunswick
Canada
UAP · Triangle · 20 sources
13Thinly 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 →