Archive

All ATCT cases

UFO sightings, crashes, contacts, ancient aliens and ancient mysteries, with the account and what investigators found.

Brazil (30 cases)

• Serra da Capivara10,000 BC · São Raimundo Nonato, Piauí
• The Ingá Stone2,000 BC · Ingá, Paraíba
• The Pedra da Gávea inscription1839 · Rio de Janeiro
• Mount Roraima, the Lost World1912 · Uiramutã, Roraima
• The Seven Stone Cities1928 · Piracuruca, Piauí
• The João Prestes Filho Case1946 · Araçariguama, São Paulo
• The Barra da Tijuca Photos1952 · Rio de Janeiro, Rio de Janeiro
• The Antônio Villas Boas case1957 · São Francisco de Sales, Minas Gerais
• The Ubatuba Fragments1957 · Ubatuba, São Paulo
• The Fort Itaipu Incident1957 · Praia Grande, São Paulo
• The Trindade Island photos1958 · Trindade Island, Atlantic
• The lead masks of Morro do Vintém1966 · Niterói, Rio de Janeiro
• The Tiago Machado Case1969 · Pirassununga, São Paulo
• The Abductions of Onilson Pattero1973 · Catanduva, São Paulo
• São Thomé das Letras1975 · São Thomé das Letras, Minas Gerais
• Hermínio and Bianca Reis1976 · Matias Barbosa, Minas Gerais
• Operation Saucer (Operação Prato)1977 · Colares, Pará
• The Chupa-Chupa in Maranhão1977 · Pinheiro, Maranhão
• The Baependi Case1979 · Baependi, Minas Gerais
• The Mirassol Case1979 · Mirassol, São Paulo
• The Antônio Nelso Tasca Case1983 · Chapecó, Santa Catarina
• Alto Paraíso and the Chapada dos Veadeiros1985 · Alto Paraíso de Goiás, Goiás
• The Painted Rock of Roraima1985 · Pacaraima, Roraima
• The Official UFO Night1986 · São Paulo, Rio and Goiás
• The Skies of Quixadá1990 · Quixadá, Ceará
• Peruíbe, UFO Town1990 · Peruíbe, São Paulo
• The Varginha ET1996 · Minas Gerais
• Ratanabá, the City That Never Existed2022 · Amazon, Brazil
• The Stone Faces of the Rio Negro2023 · Manaus, Amazonas
• The Lights of Barras2025 · Barras, Piauí

Americas (106 cases)

• The colossal Olmec heads1,200 BC · Gulf of Mexico
• Nazca Lines300 BC · Peru
• Teotihuacán, the city of the gods100 · Mexico
• Puma Punku550 · Bolivia
• The stone spheres of Costa Rica600 · Diquís Delta, Costa Rica
• The Palenque "astronaut"683 · Chiapas, Mexico
• Moai of Easter Island1250 · Chile
• Sacsayhuamán1440 · Cusco, Peru
• The Cape York meteorite1897 · Cape York, Greenland
• The Aurora crash1897 · Aurora, Texas, USA
• The Cape Girardeau crash1941 · Cape Girardeau, Missouri, USA
• The Battle of Los Angeles1942 · Los Angeles, USA
• Flight 19 and the Bermuda Triangle1945 · Bermuda Triangle, between Florida and the Bahamas
• The Roswell Incident1947 · New Mexico, USA
• Kenneth Arnold and the first "flying saucers"1947 · Mount Rainier, USA
• The Maury Island incident1947 · Maury Island, Washington, USA
• The Plains of San Agustin saucer1947 · Plains of San Agustin, New Mexico, USA
• The Death of Captain Mantell1948 · Franklin, Kentucky, USA
• The Aztec crash1948 · Aztec, New Mexico, USA
• Project Magnet1950 · Ottawa, Ontario, Canada
• The McMinnville Photos1950 · McMinnville, Oregon, USA
• The orange disc near Gander1951 · Off the coast of Newfoundland, Canada
• The Lubbock Lights1951 · Lubbock, Texas, USA
• UFOs over Washington1952 · Washington, D.C., USA
• The Flatwoods monster1952 · Flatwoods, West Virginia, USA
• George Adamski and the Man from Venus1952 · Desert Center, California, USA
• The Kingman crash1953 · Kingman, Arizona, USA
• The Fight with the Petare Creature1954 · Petare, Caracas, Venezuela
• The Venezuelan UFO Wave1954 · Carora, Valencia and San Carlos, Venezuela
• The Kelly-Hopkinsville Goblins1955 · Kelly, Kentucky, USA
• The Night of Levelland1957 · Levelland, Texas, USA
• Avrocar, the real flying saucer1959 · Malton, Ontario, Canada
• The abduction of Betty and Barney Hill1961 · New Hampshire, USA
• The Trancas case1963 · Trancas, Tucumán, Argentina
• The Socorro Landing1964 · Socorro, New Mexico, USA
• The Kecksburg acorn1965 · Pennsylvania, USA
• The lights of Deception Island1965 · Deception Island, Antarctica
• The Exeter Incident1965 · Exeter, New Hampshire, USA
• The Portage County police chase1966 · Ravenna, Ohio, USA
• Dexter, Hillsdale and the "swamp gas"1966 · Dexter and Hillsdale, Michigan, USA
• The UFO that crashed into the sea at Shag Harbour1967 · Nova Scotia, Canada
• The UFO landing pad of St. Paul1967 · St. Paul, Alberta, Canada
• The Duhamel circles1967 · Duhamel, Alberta, Canada
• The Falcon Lake Encounter1967 · Falcon Lake, Manitoba, Canada
• The Disabled Missiles of Malmstrom1967 · Malmstrom Air Force Base, Montana, USA
• The San Luis Valley and Snippy the Horse1967 · San Luis Valley, Colorado, USA
• The Abduction of Betty Andreasson1967 · South Ashburnham, Massachusetts, USA
• Police Officer Herbert Schirmer1967 · Ashland, Nebraska, USA
• The Minot B-521968 · Minot Air Force Base, North Dakota, USA
• Arcesio Bermúdez and the Light of Anolaima1969 · Anolaima, Cundinamarca, Colombia
• The Lake Cote aerial photo1971 · Lake Cote, Guanacaste, Costa Rica
• The abduction of Dionisio Llanca1973 · Bahía Blanca, Buenos Aires, Argentina
• The Pascagoula Abduction1973 · Pascagoula, Mississippi, USA
• The five discs of Langenburg1974 · Langenburg, Saskatchewan, Canada
• The Skies of Chilca1974 · Chilca, Peru
• The Coyame incident1974 · Coyame, Chihuahua, Mexico
• The disappearance of Travis Walton1975 · Arizona, USA
• Charlie Redstar, the red light of Manitoba1975 · Carman, Manitoba, Canada
• The Falconbridge radar alert1975 · Falconbridge, Ontario, Canada
• The Allagash Abductions1976 · Allagash, Maine, USA
• The Wow! Signal1977 · Ohio, USA
• Corporal Valdés1977 · Putre, Chile
• The officer and the light of Clarenville1978 · Clarenville, Newfoundland, Canada
• Kosmos 954, the nuclear satellite that fell on Canada1978 · Northwest Territories, Canada
• The "Bolivian Roswell"1978 · Padcaya, Tarija, Bolivia
• The Pilot Who Fired on a UFO at La Joya1980 · La Joya, Arequipa, Peru
• The Kelsey Bay photo1981 · Kelsey Bay, British Columbia, Canada
• Whitley Strieber and "Communion"1985 · Ulster County, New York, USA
• Cerro Uritorco and the Pajarillo Mark1986 · Capilla del Monte, Argentina
• JAL Flight 1628 over Alaska1986 · Alaska, USA
• The Gulf Breeze Photos1987 · Gulf Breeze, Florida, USA
• The Cabo Rojo Triangle1988 · Cabo Rojo, Puerto Rico
• The Guardian case of Carp1989 · Carp, Ontario, Canada
• Canada's annual UFO census1989 · Winnipeg, Manitoba, Canada
• Linda Napolitano and the Brooklyn Bridge1989 · Manhattan, New York, USA
• The UFO over the Hotel Bonaventure1990 · Montreal, Quebec, Canada
• Laguna Cartagena and the Lajas extraterrestrial route1990 · Lajas, Puerto Rico
• The UFOs of Peña de Juaica1990 · Tenjo, Cundinamarca, Colombia
• Victoria, the UFO town1991 · Victoria, Entre Ríos, Argentina
• The Mexico Eclipse UFO1991 · Mexico City, Mexico
• The chupacabra of Puerto Rico1995 · Canóvanas, Puerto Rico
• Flight 674 over Bariloche1995 · San Carlos de Bariloche, Argentina
• The Yukon mothership1996 · Fox Lake, Yukon, Canada
• Phoenix Lights1997 · Arizona, USA
• The Tagish Lake meteorite2000 · Tagish Lake, British Columbia, Canada
• The Nimitz Case, the "Tic Tac"2004 · Off the coast of California
• The Eleven Lights of Campeche2004 · Campeche, Mexico
• The former minister who spoke of aliens2005 · Toronto, Ontario, Canada
• The Gate C17 Disc2006 · O'Hare Airport, Chicago, USA
• The "UFO Port" of the Tatacoa Desert2008 · Villavieja, Huila, Colombia
• The Videos Released by the Ecuadorian Air Force2008 · Quito, Ecuador
• The Stephenville Lights2008 · Stephenville, Texas, USA
• The Peruvian Air Force UFO Office2013 · Lima, Peru
• The Gimbal and GoFast Videos2015 · U.S. East Coast
• The crater hidden under the ice2018 · Hiawatha Glacier, Greenland
• The Lights over Lima Airport2019 · Callao, Lima, Peru
• The Lights of Alto Piura2020 · Chulucanas, Piura, Peru
• The meteorite on the pillow2021 · Golden, British Columbia, Canada
• The Pacific Northwest fire shower2021 · Grant County, Washington, USA
• The Object Filmed by a Pilot over Antioquia2022 · Antioquia, Colombia
• The object shot down over the Yukon2023 · Central Yukon, Canada
• The "Alien Mummies" of Nazca2023 · Nazca, Ica, Peru
• The New Jersey Drones2024 · New Jersey, USA
• The official Sky Canada Project report2025 · Ottawa, Ontario, Canada
• The lights of southern Greenland2025 · Narsarsuaq, Greenland
• The Buga sphere2025 · Buga, Valle del Cauca, Colombia

Europe (49 cases)

• The Astronauts of Val Camonica4,000 BC · Capo di Ponte, Val Camonica, Italy
• Stonehenge3,000 BC · England
• Antikythera Mechanism150 BC · Greece
• The Object in the Madonna with Saint Giovannino1490 · Palazzo Vecchio, Florence, Italy
• Piri Reis Map1513 · Ottoman Empire
• The Battle in the Sky over Nuremberg1561 · Nuremberg, Germany
• The Black Spheres of Basel1566 · Basel, Switzerland
• Fátima and the Miracle of the Sun1917 · Fátima, Portugal
• Mussolini's saucer1933 · Magenta, Lombardy, Italy
• The Foo Fighters of World War II1944 · Rhine Valley, Germany
• Gösta Carlsson and the Ängelholm landing1946 · Kronoskogen, Ängelholm, Sweden
• The rocket that plunged into Lake Kölmjärv1946 · Lake Kölmjärv, Norrbotten, Sweden
• The Ghost Rockets of Sweden1946 · Lake Kölmjärv, Sweden
• Kapustin Yar, the Russian Roswell1948 · Kapustin Yar, Astrakhan, Russia
• The UFOs of Operation Mainbrace1952 · North Sea, between Denmark and Norway
• The Spitsbergen saucer1952 · Spitsbergen, Svalbard, Norway
• Marius Dewilde and the beings on the tracks1954 · Quarouble, France
• France's autumn of flying saucers1954 · France (nationwide)
• The UFOs over the Florence Stadium1954 · Artemio Franchi Stadium, Florence, Italy
• The Lakenheath and Bentwaters Radar Case1956 · Suffolk, England
• The jelly beings of Domsten1958 · Domsten, Helsingborg, Sweden
• Warminster and "the Thing"1965 · Warminster, Wiltshire, England
• The Valensole Encounter1965 · Valensole, France
• The Dark Beings of Cussac1967 · Cussac, Cantal, France
• The Ummo Affair1967 · San José de Valderas, Madrid, Spain
• The Imjärvi humanoid1970 · Imjärvi, Heinola, Finland
• The Berwyn Mountains Incident1974 · Llandrillo, Wales
• Billy Meier and the Pleiadians1975 · Hinwil, Switzerland
• The Petrozavodsk Jellyfish1977 · Petrozavodsk, Russia
• The Children of Broad Haven1977 · Broad Haven, Wales
• Zanfretta, the Night Watchman of Torriglia1978 · Torriglia, Genoa, Italy
• The Emilcin Abductee1978 · Emilcin, Poland
• Robert Taylor and Dechmont Woods1979 · Livingston, Scotland
• The Manises Incident1979 · Manises, Valencia, Spain
• Rendlesham Forest1980 · Suffolk, England
• Police Officer Alan Godfrey1980 · Todmorden, England
• The Hessdalen lights1981 · Norway
• The Trans-en-Provence Landing1981 · Trans-en-Provence, France
• The UFO over the Ukrainian Missile Base1982 · Byelokoroviche, Ukraine
• The Ilkley Moor Alien Photo1987 · Ilkley Moor, England
• The Belgian UFO wave1989 · Belgium
• The Giants of Voronezh1989 · Voronezh, Russia
• The Calvine Photo1990 · Calvine, Scotland
• Bonnybridge and the Falkirk Triangle1992 · Bonnybridge, Scotland
• The A70 Road Abduction1992 · A70 road, between Edinburgh and Tarbrax, Scotland
• The Snæfellsjökull appointment1993 · Snæfellsjökull glacier, Iceland
• The Cosford Incident1993 · RAF Cosford, England
• The Giant Objects of Alderney2007 · Alderney, Channel Islands
• The Norway spiral2009 · Northern Norway

Africa and Middle East (16 cases)

• Göbekli Tepe9,600 BC · Turkey
• The Astronauts of Tassili n'Ajjer7,000 BC · Tassili n'Ajjer, Algeria
• Pyramids of Giza2,560 BC · Egypt
• The Anunnaki of Sumer2,100 BC · Sumer, present-day Iraq
• The Abydos Helicopter1,290 BC · Abydos, Egypt
• The Saqqara Bird200 BC · Saqqara, Egypt
• The Dendera Light50 BC · Dendera, Egypt
• The giant stones of Baalbek20 BC · Lebanon
• Baghdad Battery100 · Iraq
• The Dogon and Sirius B1931 · Mali
• Elizabeth Klarer and the Visitor from Meton1956 · Drakensberg, South Africa
• The Tehran incident1976 · Tehran, Iran
• The UFO shot down over the Kalahari1989 · Kalahari Desert, South Africa and Botswana border
• Ariel School1994 · Ruwa, Zimbabwe
• The Dome of the Rock UFO2011 · Jerusalem
• The ring that fell on Kenya2024 · Mukuku, Makueni, Kenya

Asia (16 cases)

• The Dogu Figurines1,000 BC · Tsugaru, Aomori, Japan
• Vimanas300 BC · India
• Utsuro-bune, the Hollow Ship1803 · Hitachi Province, Japan
• The Tunguska explosion1908 · Siberia, Russia
• The Dropa Stones1938 · Bayan Har Mountains, China
• The Dyatlov Pass Mystery1959 · Ural Mountains, Russia
• The Kofu Incident1975 · Kofu, Yamanashi, Japan
• The Yonaguni underwater monument1986 · Okinawa, Japan
• Height 611, the "Russian Roswell"1986 · Dalnegorsk, Primorye, Russia
• The Shaitan Mazar craft1991 · Tian Shan Mountains, Kyrgyzstan
• The Meng Zhaoguo Encounter1994 · Wuchang, Heilongjiang, China
• The Baigong Pipes2002 · Delingha, Qinghai, China
• The Kumburgaz Videos2008 · Kumburgaz, Istanbul, Turkey
• The Xiaoshan Airport UFO2010 · Hangzhou, China
• The Alleged Kongka La Base2012 · Kongka La Pass, India-China border
• The Hamamatsu beach sphere2023 · Hamamatsu, Shizuoka, Japan

Oceania (10 cases)

• The Wandjina of the Kimberley2,000 BC · Kimberley, Western Australia
• Nan Madol, the city on the sea1180 · Pohnpei, Micronesia
• The Min Min Lights1900 · Boulia, Queensland, Australia
• Father Gill and the Beings Who Waved1959 · Boianai, Papua New Guinea
• The Westall school sighting1966 · Melbourne, Australia
• The Tully Saucer Nests1966 · Tully, Queensland, Australia
• The Kaikoura Lights1978 · Kaikoura, New Zealand
• The Disappearance of Frederick Valentich1978 · Bass Strait, Australia
• The Knowles Family on the Nullarbor Plain1988 · Mundrabilla, Western Australia
• Kelly Cahill and the Beings of the Dandenongs1993 · Belgrave, Victoria, Australia

Beyond Earth (29 cases)

• The Fermi Paradox1950 · Universe
• Przybylski's strange star1961 · Constellation Centaurus (HD 101065)
• The Drake Equation1961 · Green Bank, West Virginia, United States
• The object McDivitt saw on Gemini 41965 · Earth orbit, Gemini 4 mission
• LGM-1: Jocelyn Bell's "little green men"1967 · Cambridge, England / Constellation Vulpecula
• The "music" from the far side of the Moon1969 · Lunar orbit, Apollo 10 mission
• The Pioneer plaque, a message for other worlds1972 · Pioneer 10 and 11 probes, bound for interstellar space
• The Arecibo Message1974 · Arecibo, Puerto Rico
• The Face on Mars1976 · Cydonia, Mars
• The Voyager Golden Record1977 · Interstellar space
• Europa, Jupiter's hidden ocean1979 · Europa, moon of Jupiter
• The lights of space shuttle mission STS-481991 · Earth orbit, space shuttle Discovery
• The Martian meteorite ALH840011996 · Antarctica / Mars
• The Black Knight satellite1998 · Earth orbit
• The Phobos "monolith"1998 · Phobos, moon of Mars
• SHGb02+14a, the SETI@home signal2003 · Arecibo Radio Telescope, Puerto Rico / Between Pisces and Aries
• The puzzle of methane on Mars2004 · Martian atmosphere and Gale Crater
• The geysers of Enceladus2005 · Enceladus, moon of Saturn
• The Lorimer Burst and fast radio bursts2007 · Parkes Observatory, Australia / Toward the Small Magellanic Cloud
• Rats, doors and faces in the rocks of Mars2012 · Surface of Mars, rover images
• The "lights" on the Space Station cameras2014 · Earth orbit, International Space Station
• Tabby's Star2015 · Constellation Cygnus
• The bright spots of Ceres2015 · Ceres, dwarf planet in the asteroid belt
• ʻOumuamua2017 · Solar System
• The BLC1 signal from Proxima Centauri2020 · Proxima Centauri
• Phosphine in the clouds of Venus2020 · Venus
• The signal that returns every 16 days2020 · CHIME Telescope, Canada / A galaxy about 500 million light-years away
• K2-18b, the planet with a possible sign of life2023 · Constellation Leo
• 3I/ATLAS, the third interstellar visitor2025 · Solar System