+Unidentified Flying Objects (UFOs) are airborne phenomena whose nature is not immediately identifiable. Reports often describe unusual lights or objects in the sky, sometimes fueling theories of [Alien Life](/wiki/alien_life) or advanced [Craft](/wiki/craft) not of this world.
+## See also
+- [UFO Sightings](/wiki/ufo_sightings)
+- [Extraterrestrial Intelligence](/wiki/extraterrestrial_intelligence)
+- [Unidentified Aerial Phenomena](/wiki/unidentified_aerial_phenomena)
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