Unidentified Flying Object

An unidentified flying object, often abbreviated UFO or U.F.O., is an unusual apparent anomaly in the sky that is not readily identifiable to the observer as any known object, often associated with extraterrestrial life or government-related conspiracy theories.

Read more about Unidentified Flying Object:  Terminology, Studies, Early History, Investigations, Identification of UFOs, Extraterrestrial Hypothesis, Associated Claims, Ufology, Conspiracy Theories, Famous Hoaxes, In Popular Culture

Famous quotes containing the words flying and/or object:

    “English literature is a flying fish.”
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