- UFO
The chupacabra or chupacabras (Spanish pronunciation: [tʃupaˈkaβɾas], literally meaning 'goat-sucker', from Spanish: chupa, 'sucks', and cabras, 'goats') is a legendary creature, or cryptid, in the fo…
- Race and ethnicity Religion UFO
Reptilians (also called archons, reptoids, reptiloids, saurians, draconians, or lizard people) are reptilian humanoids, which play a prominent role in fantasy, science fiction, ufology, and conspirac…
- UFO
Alien abduction (also called abduction phenomenon, alien abduction syndrome, or UFO abduction) is the phenomenon claimed by people reporting that they or their patients have been kidnapped by extrater…
- UFO
Ancient astronauts (also ancient aliens or paleocontact) are a pseudoscientific set of beliefs that intelligent extraterrestrial beings (alien astronauts) visited Earth and made contact with humans in…
- Military and warfare Nazi Race and ethnicity Religion UFO
Die Glocke (German: [diː ˈɡlɔkə], 'The Bell') was a purported top-secret scientific technological device, wonder weapon, or Wunderwaffe developed in the 1940s in Nazi Germany. Rumors of this device ha…
- UFO
The Nibiru cataclysm is a supposed disastrous encounter between Earth and a large planetary object (either a collision or a near-miss) that certain groups believed would take place in the early 21st c…
- UFO
In popular culture and UFO conspiracy theories, men in black (MIB) are allegedly government agents dressed in dark suits, who question, intimidate, harass, and threaten unidentified flying object (UFO…
- UFO
The Black Knight satellite conspiracy theory claims that a spacecraft of extraterrestrial origin is in near-polar orbit of the Earth, and that NASA is covering up its existence and origin. This conspi…
- UFO
A crop circle, crop formation, or corn circle is a pattern created by flattening a crop, usually a cereal. The term was coined in the early 1980s. Crop circles have been described as all falling "with…
- Military and warfare Nazi Race and ethnicity Religion UFO
In Ufology, conspiracy theory, science fiction, and comic book stories, claims or stories have circulated linking UFOs to Nazi Germany. The German UFO theories describe supposedly successful attempts …
- Science and technology UFO
Some conspiracy theories argue that various governments and politicians globally, in particular the United States government, are suppressing evidence that unidentified flying objects (UFO) are contro…
- UFO
Cattle mutilation is the killing and mutilation of cattle under supposedly unusual, usually bloodless circumstances. Reportedly removed parts often include an ear, eyeball, jaw flesh, tongue, lymph no…
- UFO
From July 12 to 29, 1952, a series of unidentified flying object (UFO) sightings were reported in Washington, D.C., and later became known as the Washington flap, the Washington National Airport Sight…
- UFO
The black helicopter is a symbol of an alleged conspiratorial military takeover of the United States in the American militia movement. Black helicopters have also been associated with UFOs, especially…
- UFO
The disclosure movement is a social movement that argues in favor of various conspiracy theories which allege that governments generally, or the United States government specifically, have secret info…
- Military and warfare UFO
Operation Saucer (Portuguese: Operação Prato; literally, Operation Plate) was an investigation carried out between 1977 and 1978 by the Brazilian Air Force following alleged UFO sightings on the islan…
- Science and technology UFO
Unidentified flying objects have been reported by astronauts while in space. These sightings have been claimed as evidence for extraterrestrial life by ufologists.
Some of the alleged sightings never …
- Religion UFO
The demonic UFO hypothesis is the proposal that unidentified flying object (UFO) sightings are the result of a satanic influence, or are themselves demons.
- UFO
The mutilation of "Snippy" the horse was the death and alleged dissection of a Colorado horse that was first widely-reported on October 5, 1967. Mainstream experts concluded the death was the result …
- UFO
Above Majestic is a 2018 documentary film that posits a global conspiracy involving anthropomorphic alien reptiles who secretly control the world's governments. The film was the most successful docume…
- UFO
Since 1947, United States media coverage has speculated that UFO reports might be linked to atomic sites.
In June 1947, the start of the Cold War led to domestic UFO reports being taken seriously by b…
- UFO
Sightings is an American paranormal and news television show that first aired in the 1990s. The show began on October 17, 1991, as a special titled The UFO Report: Sightings. Two follow-up reports wer…
- UFO
The extraterrestrial UFO hypothesis or extraterrestrial hypothesis (ETH), synonymous with interplanetary aircraft and alien UFO technologies, proposes that some unidentified flying objects (UFOs) are …
- UFO
Giant from the Unknown (working titles Giant from Devil's Crag and The Diablo Giant ) is a 1957 independently made American black-and-white science fiction-horror film drama, produced by Marc Frederic…
- UFO
The Greada Treaty is a conspiracy theory dating to the 1980s that suggests American President Dwight D. Eisenhower made a secret agreement with malevolent Gray aliens in 1954.
From the early 1950s …
- UFO
A UFO flap is a rash of reports of unidentified airborne objects. Flap, originally a military term to describe a "period of panic or chaos", is used by ufologists to describe surges of sightings in on…
- UFO
Philip Schneider (April 23, 1947 - January 17, 1996) was a promoter of conspiracy theories. He was known for his unsubstantiated claims about the Dulce Base conspiracy theory, an earlier story of ali…
- UFO
Space Brothers is a term used for extraterrestrials in several narratives involving alien contact. The term was first used in the 1950s to describe benevolent spacefarers who had supposedly contacted …
- UFO
Gabriel L. "Gabe" Valdez (c. 1944 — August 7, 2011) was a long-time New Mexico State Police officer and New Mexico Gaming Control Board investigator. Valdez is most remembered for leading the criminal…
- UFO
The Unexplained Files is an American television series on Science Channel that investigates paranormal and other unexplained phenomena.
According to a King Features spokesperson, it was the most watch…
- UFO
The cryptoterrestrial UFO hypothesis proposes that reports of flying saucers or UFOs are evidence of a hidden, Earth-based, technologically advanced civilization. Aaron John Gulyas, a scholar of consp…
- UFO
Endangered Species is a 1982 American science fiction horror film directed and co-written by Alan Rudolph, and starring Robert Urich, JoBeth Williams, Peter Coyote, and Hoyt Axton. It follows a former…
- UFO
The interdimensional UFO hypothesis (IUH) is the proposal that unidentified flying object (UFO) sightings are the result of experiencing other "dimensions" or "portals" that coexist separately alongsi…
- UFO
Linda Moulton Howe (born January 20, 1942) is an American investigative journalist and documentary film maker best known for her work as a ufologist and advocate of a variety of conspiracy theories, i…
- UFO
Majestic 12, also known as Majic-12, and MJ-12 for short, is a purported organization that appeared in fake documents first circulated by ufologists in 1984, and that some UFO conspiracy theories stil…
- Military and warfare UFO
The Rendlesham Forest incident was a series of reported sightings of unexplained lights near Rendlesham Forest in Suffolk, England, in December 1980, which became linked with alleged UFO landings. The…
- UFO
The rumor of equine mutilation in France in 2020 was a French media and court case that gained momentum across France. Beginning in early 2020, rumors circulated of horses and donkeys being killed and…
- UFO
The secret space program and 20 and back are fictional stories presented as fact and associated with ufology. They present that some people are recruited into secret military programs that involve a p…
- UFO
Skinwalker Ranch, previously known as Sherman Ranch, is a property of approximately 512 acres (207 ha), located southeast of Ballard, Utah, that is reputed to be the site of paranormal and UFO-related…
- UFO
The Age of Disclosure is a 2025 American documentary film about UFOs directed and produced by Dan Farah, in which a number of former United States government officials and people associated with the d…
- UFO
The Narrows is a horror novel by American writer Ronald Malfi. It was published in 2012 by Darkfuse Publications in a limited edition hardcover for collectors, then as a trade paperback and ebook wi…
- UFO
The time-traveler hypothesis, also known as chrononaut UFO, future humans, extratempestrial model, and Terminator theory, is the proposal that unidentified flying objects are humans traveling from the…
- UFO
An unidentified flying object (UFO) is an object or phenomenon seen in the sky but not yet identified or explained. The term was coined when United States Air Force (USAF) investigations into flying s…
- UFO
The United States UFO files, officially known as the Presidential Unsealing and Reporting System for UAP Encounters (PURSUE), also referred to as the UFO files or the UAP files, are a collection of de…
- Military and warfare UFO
The Varginha UFO incident involves a series of events in 1996 wherein residents of Varginha, Brazil, claimed to have seen one or more strange humanoids and at least one unidentified flying object (UFO…