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An unidentified flying object (UFO), or unidentified anomalous phenomenon (UAP), is any perceived airborne, submerged or transmedium phenomenon that cannot be immediately identified or explained. Upon investigation, most UAPs are identified as known objects or atmospheric phenomena, while a small number remain unexplained.
UFO conspiracy theories are a subset of conspiracy theories which argue that various governments and politicians globally, in particular the United States government, are suppressing evidence that unidentified flying objects are controlled by a non-human intelligence or built using alien technology. Such conspiracy theories usually argue that Earth governments are in communication or cooperation with extraterrestrial visitors despite public disclaimers, and further that some of these theories claim that the governments are explicitly allowing alien abduction.
Ufology is the investigation of unidentified flying objects (UFOs) by people who believe that they may be of extraordinary origins. While there are instances of government, private, and fringe science investigations of UFOs, ufology is generally regarded by skeptics and science educators as an example of pseudoscience.
The Varginha UFO incident involves a series of events in 1996 when residents of Varginha, Brazil claimed seeing one or more strange creatures and at least one unidentified flying object (UFO). The reports garnered extensive media coverage. Other associated claims include the capture of one or more extraterrestrial beings by the Brazilian authorities, animal fatalities at a zoo, and a woman impregnated by an extraterrestrial. An investigation by the Brazilian Army concluded that a city resident was mistaken for an alien creature and the movement of military personnel in the region was routine.
Black triangles are UFOs reported as having a triangular shape and dark color, typically observed at night, described as large, silent, hovering, moving slowly, and displaying pulsating, colored lights which they can turn off.
Green fireballs are a type of unidentified flying object (UFO) that has been reported since the early 1950s. Early sightings primarily occurred in the southwestern United States, particularly in New Mexico. Although some ufologists and ufology organizations consider green fireballs to be of artificial extraterrestrial origin, mainstream explanations have been provided, including natural bolides.
The Phoenix Lights were a series of widely sighted unidentified flying objects observed in the skies over the southwestern U.S. states of Arizona and Nevada on March 13, 1997.
Project Grudge was a short-lived project by the U.S. Air Force (USAF) to investigate unidentified flying objects (UFOs). Grudge succeeded Project Sign in February, 1949, and was then followed by Project Blue Book. The project formally ended in December 1949, but continued in a minimal capacity until late 1999.
Identifying unidentified flying objects (UFOs) is a difficult task due to the normally poor quality of the evidence provided by those who report sighting the unknown object. Observations and subsequent reporting are often made by those untrained in astronomy, atmospheric phenomena, aeronautics, physics, and perception. Nevertheless, most officially investigated UFO sightings, such as from the U.S. Air Force's Project Blue Book, have been identified as being due to honest misidentifications of natural phenomena, aircraft, or other prosaic explanations. In early U.S. Air Force attempts to explain UFO sightings, unexplained sightings routinely numbered over one in five reports. However, in early 1953, right after the CIA's Robertson Panel, percentages of unexplained sightings dropped precipitously, usually being only a few percent in any given year. When Project Blue Book closed down in 1970, only 6% of all cases were classified as being truly unidentified.
The 1976 Tehran UFO Incident was a radar and visual sighting of an unidentified flying object (UFO) over Tehran, the capital of Iran, during the early morning hours of 19 September 1976. During the incident, two Imperial Iranian Air Force F-4 Phantom II jet interceptors reported losing instrumentation and communications as they approached the object. These were restored upon withdrawal. One of the aircraft also reported a temporary weapons systems failure while the crew was preparing to open fire. An initial report of the incident was relayed to the U.S. Joint Chiefs of Staff on the day of the incident.
This is a list of alleged sightings of unidentified flying objects or UFOs in Brazil.
Below is a partial list of alleged sightings of unidentified flying objects or UFOs in Canada.
A flying saucer, also referred to as a flying disc, is a descriptive term for a type of flying craft having a disc or saucer-shaped body, commonly used generically to refer to an anomalous flying object. The term was coined in 1947 but has generally been supplanted since 1952 by the United States Air Force term unidentified flying objects, UFOs for short. Early reported sightings of unknown "flying saucers" usually described them as silver or metallic, sometimes reported as covered with navigation lights or surrounded with a glowing light, hovering or moving rapidly, either alone or in tight formations with other similar craft, and exhibiting high maneuverability.
The McMinnville UFO photographs, also known as the Trent UFO photos, were two photographs of a purported UFO taken by a farming couple, Paul and Evelyn Trent near McMinnville, Oregon, United States on May 11, 1950. The photos were reprinted in Life magazine and in newspapers across the nation and are often considered to be among the most famous and clearest photographs ever taken of a UFO. Most UFO skeptics consider these photographs a hoax, although many ufologists continue to argue that the photos actually depict a genuine three dimensional unidentified flying object in the sky.
Japan Air Lines Cargo Flight 1628 was a Japanese Boeing 747-200F cargo aircraft flying from Paris to Narita International Airport that was involved in an unidentified flying object (UFO) sighting on November 17, 1986. During the flight, Captain Kenji Terauchi reported seeing three objects he described as "two small ships and the mother ship". The FAA in Anchorage only saw Flight 1628 on their radar. Two other nearby planes only saw Flight 1628 and no other objects. An FAA investigation of the incident characterized Terauchi as a "UFO repeater". Astronomers and investigators have determined that Terauchi probably mistook the planets Jupiter and Mars as UFOs. Contradictions among the accounts of the crew from the three aircraft as well as contradictions between the transcripts and later interviews with Terauchi have cast doubt that anything unusual happened.
The Aztec, New Mexico, UFO hoax was a flying saucer crash alleged to have happened in 1948 in Aztec, New Mexico. The story was first published in 1949 by author Frank Scully in his Variety magazine columns, and later in his 1950 book Behind the Flying Saucers. In the mid-1950s, the story was exposed as a hoax fabricated by two con men, Silas M. Newton and Leo A. Gebauer, as part of a fraudulent scheme to sell supposed alien technology. Beginning in the 1970s, some ufologists resurrected the story in books claiming the purported crash was real. In 2013, an FBI memo claimed by some ufologists to substantiate the crash story was dismissed by the bureau as "a second- or third-hand claim that we never investigated".
UFOs: Past, Present, and Future is a 1974 documentary film that examines several prominent UFO sightings from the post-war to contemporary era. It was re-released in 1976 and 1979 under the title UFOs: It Has Begun to coincide with renewed interest in the subject due to the release of Steven Spielberg's Close Encounters of the Third Kind. It is based on the book UFOs: Past, Present, and Future by Robert Emenegger.
The Pentagon UFO videos are selected visual recordings of FLIR targeting from United States Navy fighter jets based aboard aircraft carriers USS Nimitz and USS Theodore Roosevelt in 2004, 2014 and 2015, with additional footage taken by other Navy personnel in 2019. The four grainy, monochromic videos, widely characterized as officially documenting UFOs, have received extensive coverage in the media since 2017. The Pentagon later addressed and officially released the first three videos of unidentified aerial phenomena (UAP) in 2020, and confirmed the provenance of the leaked 2019 videos in two statements made in 2021. Footage of UAPs was also released in 2023, sourced from MQ-9 military drones.
The Report on Unidentified Flying Objects is a 1956 book by then-retired Air Force UFO investigator Edward J. Ruppelt, detailing his experience running Project Bluebook. The book was noted for its suggestion that a few UFO sightings might be linked to spikes of atomic radiation. Contemporary media summarized four topics discussed in the book:
On the night of January 20, 1951, multiple individuals reported an unidentified cigar-shaped straight-winged aircraft over Sioux City, Iowa. By January 22, papers nationwide publicized had their reports. The incident continues to be discussed in the 21st-century.
References
- ↑ Nickell, Joe (2005). Camera Clues: A Handbook for Photographic Investigation. University Press of Kentucky. ISBN 9780813191249 . Retrieved April 8, 2005.
- ↑ Francisco Natera (1 November 2012). Coyame a History of the American Settler. Xlibris Corporation. pp. 233–. ISBN 978-1-4797-3452-8.
- ↑ Smith, James C. "The Mexican Air Force UFO Affair: Aliens, Ball Lightning, or Flares?". eSkeptic. The Skeptics Society. Retrieved 21 November 2015.
