🛸 Famous UFO cases (23)
The best-known sightings and encounters, from Roswell to the New Jersey drones
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Area 51The Nevada base at the centre of UFO lore — history, claims and sightings nearby
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Skinwalker RanchThe Utah ranch studied by government-funded researchers — history and claims
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RoswellThe 1947 Roswell UFO crash explained: the debris found near Corona, the “flying disc” press release, the weather-balloon and Project Mogul …
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Phoenix LightsThe Phoenix Lights of 13 March 1997: the V-shaped lights seen across Arizona, the military flares explanation, Governor Fife Symington’s la…
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Rendlesham ForestThe December 1980 Rendlesham Forest UFO incident near RAF Woodbridge and Bentwaters, Suffolk: the airmen’s accounts, the Halt memo and tape…
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Tic Tac UFO (Nimitz)The 2004 USS Nimitz “Tic Tac” UFO encounter off San Diego: what David Fravor and the other pilots saw, the FLIR1 video, the Gimbal and GoFa…
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New Jersey dronesThe 2024 New Jersey drone sightings explained: the weeks of night-time reports across New Jersey and the East Coast, the government’s state…
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Belgian UFO waveThe Belgian UFO wave of 1989–1990: thousands of reports of large black triangles, the F-16 radar chase, the famous Petit-Rechain photo late…
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Hudson Valley sightingsThe Hudson Valley UFO sightings of the 1980s: the giant boomerang of lights seen by thousands in New York and Connecticut, the pilots-in-fo…
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Kecksburg UFOThe Kecksburg UFO incident of 9 December 1965: the fireball seen across several states, the acorn-shaped object witnesses described in the …
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Varginha incidentThe 1996 Varginha incident in Minas Gerais, Brazil: the creature three young women said they saw, the alleged military capture, the officia…
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Ariel SchoolThe Ariel School UFO incident of 16 September 1994 in Ruwa, Zimbabwe: what the 62 schoolchildren said they saw, John Mack’s interviews, the…
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Westall UFOThe Westall UFO incident of 6 April 1966 in Melbourne, Australia: the object hundreds of students and teachers saw land near their school, …
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Tehran 1976The 1976 Tehran UFO incident: two Iranian Air Force F-4 Phantom jets scrambled after a bright object, the weapons and instruments that fail…
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Japan Air Lines 1628The 1986 Japan Air Lines flight 1628 UFO incident over Alaska: what Captain Kenju Terauchi reported, the radar data, the FAA investigation …
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Washington, D.C. 1952The July 1952 Washington, D.C. UFO incident: the radar returns and lights over the capital on two weekends, the jet interceptions, the Pent…
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Battle of Los AngelesThe Battle of Los Angeles, 24–25 February 1942: the night anti-aircraft guns fired at unseen targets over the city, the famous searchlight …
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Stephenville sightingsThe 2008 Stephenville, Texas UFO sightings: the large object and lights reported by residents, the radar data analysis, the Air Force’s tra…
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O’Hare Airport UFOThe November 2006 O’Hare International Airport UFO sighting in Chicago: the disc airline workers said they saw above a gate, the hole in th…
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Malmstrom & the missilesThe Malmstrom Air Force Base UFO incidents: the 1967 reports of objects over Minuteman missile sites as missiles went offline, Robert Salas…
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Shag HarbourThe Shag Harbour UFO incident of 4 October 1967 in Nova Scotia: the lights that went into the sea, the RCMP and navy search, the official f…
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Foo fightersFoo fighters were the glowing balls of light that Allied aircrews reported following their planes during World War II. What pilots describe…
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Ghost rocketsThe ghost rockets of 1946: the thousands of rocket-like objects reported over Sweden and Scandinavia, the Swedish military investigation, t…
🏛️ Government, programs & whistleblowers (13)
Secret programs, official investigations, documents and the people who spoke out
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UAP explainedWhat UAP means — AARO, reports, laws, hearings and whistleblowers
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Official UFO filesGovernment UFO files and releases
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Majestic 12 (MJ-12)Majestic 12 (MJ-12) explained: the alleged secret committee of officials said to manage crashed UFOs, the documents that surfaced from 1984…
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Immaculate ConstellationImmaculate Constellation explained: the alleged unacknowledged program for UAP imagery described in Michael Shellenberger’s 2024 report to …
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Project Blue BookProject Blue Book explained: the U.S. Air Force’s study of 12,618 UFO reports from 1952 to 1969, its leaders Edward Ruppelt and J. Allen Hy…
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UAP hearingsEvery public UFO and UAP hearing in the U.S. Congress: 1966, 1968, the 2022 Pentagon hearing, David Grusch’s 2023 testimony, the 2024 and 2…
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David GruschDavid Grusch explained: the former intelligence officer who told Congress in 2023 that the U.S. has recovered non-human craft — his backgro…
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Bob LazarBob Lazar explained: the man who said in 1989 that he worked on alien craft at S-4 near Area 51 — his story, element 115, the questions abo…
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AATIPAATIP, the Advanced Aerospace Threat Identification Program: the Pentagon UFO program revealed by The New York Times in 2017, Luis Elizondo…
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AAWSAPAAWSAP, the Advanced Aerospace Weapon System Applications Program: the DIA-funded study run by Robert Bigelow’s BAASS from 2008, its resear…
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AAROAARO, the All-domain Anomaly Resolution Office: the Pentagon office set up in 2022 to investigate UAP — its directors, its historical repor…
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UAP Disclosure ActThe UAP Disclosure Act explained: Senators Chuck Schumer and Mike Rounds’s 2023 proposal to release government UFO records, what passed int…
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Men in BlackThe Men in Black explained: the mysterious men said to visit UFO witnesses, Albert Bender and Gray Barker’s 1950s stories, later accounts, …
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Majestic 12 (MJ-12)Majestic 12 (MJ-12) explained: the alleged secret committee of officials said to manage crashed UFOs, the documents that surfaced from 1984…
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Immaculate ConstellationImmaculate Constellation explained: the alleged unacknowledged program for UAP imagery described in Michael Shellenberger’s 2024 report to …
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Project Blue BookProject Blue Book explained: the U.S. Air Force’s study of 12,618 UFO reports from 1952 to 1969, its leaders Edward Ruppelt and J. Allen Hy…
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UAP hearingsEvery public UFO and UAP hearing in the U.S. Congress: 1966, 1968, the 2022 Pentagon hearing, David Grusch’s 2023 testimony, the 2024 and 2…
🗣️
David GruschDavid Grusch explained: the former intelligence officer who told Congress in 2023 that the U.S. has recovered non-human craft — his backgro…
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Bob LazarBob Lazar explained: the man who said in 1989 that he worked on alien craft at S-4 near Area 51 — his story, element 115, the questions abo…
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AATIPAATIP, the Advanced Aerospace Threat Identification Program: the Pentagon UFO program revealed by The New York Times in 2017, Luis Elizondo…
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AAWSAPAAWSAP, the Advanced Aerospace Weapon System Applications Program: the DIA-funded study run by Robert Bigelow’s BAASS from 2008, its resear…
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AAROAARO, the All-domain Anomaly Resolution Office: the Pentagon office set up in 2022 to investigate UAP — its directors, its historical repor…
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UAP Disclosure ActThe UAP Disclosure Act explained: Senators Chuck Schumer and Mike Rounds’s 2023 proposal to release government UFO records, what passed int…
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Men in BlackThe Men in Black explained: the mysterious men said to visit UFO witnesses, Albert Bender and Gray Barker’s 1950s stories, later accounts, …
👽 Aliens & encounters (7)
The kinds of aliens people describe, abductions and close encounters
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Types of aliensThe types of aliens people describe in UFO reports: greys, Nordics, reptilians, “little men”, insect-like beings and tall whites — what eac…
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Grey aliensGrey aliens explained: the big-eyed beings of UFO lore — how witnesses describe them, the Betty and Barney Hill case and Communion, the Zet…
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Nordic aliensNordic aliens explained: the tall, fair-haired beings described by 1950s contactees like George Adamski, the Pleiadian claims of Billy Meie…
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ReptiliansReptilian aliens explained: the claim that shape-shifting reptilian beings live among us, where the idea came from, how it spread, and why …
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Alien abductionsAlien abductions explained: what people who say they were taken describe, the famous cases from Betty and Barney Hill to Travis Walton, the…
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Betty & Barney HillThe Betty and Barney Hill abduction of September 1961 in New Hampshire: their drive home, the missing time, the hypnosis sessions, the star…
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Travis WaltonThe Travis Walton abduction of November 1975 in Arizona: the logging crew’s account, the five days he was missing, the lie-detector tests, …
🔮 Mysteries, lore & hoaxes (5)
Crop circles, ancient aliens, cattle mutilations and famous fakes
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UFO videos & documentariesThe famous UFO videos and the documentaries, films and books about them
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Crop circlesCrop circles explained: the patterns flattened into fields, Doug Bower and Dave Chorley’s 1991 confession, the artists who make them now, t…
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Ancient aliensThe ancient aliens (ancient astronaut) theory explained: the claim that visitors from space shaped early civilisations, Erich von Däniken, …
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Cattle mutilationsCattle mutilations explained: the livestock found with unusual wounds across the American West from the 1970s, the FBI investigation, the U…
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UFO hoaxesThe most famous UFO hoaxes and how they were exposed: the alien autopsy film, the MJ-12 papers, crop circles, the Black Knight satellite, G…
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Crop circlesCrop circles explained: the patterns flattened into fields, Doug Bower and Dave Chorley’s 1991 confession, the artists who make them now, t…
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Ancient aliensThe ancient aliens (ancient astronaut) theory explained: the claim that visitors from space shaped early civilisations, Erich von Däniken, …
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Cattle mutilationsCattle mutilations explained: the livestock found with unusual wounds across the American West from the 1970s, the FBI investigation, the U…
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UFO hoaxesThe most famous UFO hoaxes and how they were exposed: the alien autopsy film, the MJ-12 papers, crop circles, the Black Knight satellite, G…
🔭 Science & the search for life (6)
SETI, interstellar visitors and the big questions about life in the universe
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Fermi paradoxThe Fermi paradox explained: if the galaxy is old and full of planets, why have we found no sign of alien civilisations? Enrico Fermi’s que…
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Drake equationThe Drake equation explained: Frank Drake’s 1961 formula for estimating how many civilisations in our galaxy we could detect, each of its t…
❓ Questions & how-tos (4)
Straight answers and practical help
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What’s that light?Identify a light in the sky tonight — planets, satellites, rockets, planes
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Starlink in the skyWhy a line of lights looks like a UFO, and when to see one
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Are aliens real?Are aliens real? What scientists know about life beyond Earth, what the official UFO investigations found, the whistleblower claims, and ho…
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How to report a UFOHow to report a UFO: what to write down and film, the common things mistaken for UFOs, and where to report a sighting — this site, NUFORC, …
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How to report a UFOHow to report a UFO: what to write down and film, the common things mistaken for UFOs, and where to report a sighting — this site, NUFORC, …
No guide matches that — try the encyclopedia search.
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What’s that light?Identify a light in the sky tonight — planets, satellites, rockets, planesStarlink in the skyWhy a line of lights looks like a UFO, and when to see oneUAP explainedWhat UAP means — AARO, reports, laws, hearings and whistleblowersUFO newsThe latest UFO and UAP news, official releases and developmentsUFO videos & documentariesThe famous UFO videos and the documentaries, films and books about themArea 51The Nevada base at the centre of UFO lore — history, claims and sightings nearbySkinwalker RanchThe Utah ranch studied by government-funded researchers — history and claimsExplore by placeSightings in every country and US state — shaded maps, rankings and chartsData reportsUFO sightings by the numbers, and an analysis of every topicCollectionsTopic deep dives: near nuclear sites, over water, Tic Tacs, triangles, pilot witnesses and moreWhat was that last night?Rocket launches, Starlink trains and fireballs that people reported as UFOsUFO waves & burstsWhen many people saw the same thing — mass sightings by place and date, on a mapOfficial UFO filesGovernment UFO files and releasesUAP EncyclopediaEvery case, person, program and place, with sourcesUAP TimelineDated events in UFO history from 1947, each with sourcesSightings mapEvery sighting with a place, on one map