This is a dynamic list and may never be able to satisfy particular standards for completeness. You can help by adding missing items with reliable sources.
Most commonly reported shapes in UFO sightings gathered by the National UFO Reporting Center Online Database (NUFORC)[1]
This is a list of notable reported sightings of unidentified flying objects (UFOs) or unidentified anomalous phenomenon (UAP), and related claims of close encounters or abductions. UAP's are generally considered to include any perceived airborne, submerged or transmedium phenomenon that cannot be immediately identified or explained. [2][3][4] Upon investigation, most UFOs are identified as known objects or atmospheric phenomena, while a small number remain unexplained.[5][6][7]
^
NUFORC has collected over 100,000 UFO reports spanning decades. The most common description was of "lights" in the sky, and many UFOs were of an "unknown" or "unspecified" shape. Others included: cubes (16), cones (600), crosses (491), teardrops (1221), and stars (138).
Arranz, Adolfo (24 December 2017). "Are we alone?". South China Morning Post. Infographics by Pablo Robles. Archived from the original on 22 July 2023. Retrieved 22 July 2023.
"UFO Report Index by Shape of Craft". National UFO Reporting Center. Archived from the original on 22 July 2023. Retrieved 22 July 2023.
^Office of the Director of National Intelligence (2022). "2022 Annual Report on Unidentified Aerial Phenomena" (PDF). DNI.
^Loev, Abi (2023). "Unsolved Puzzles and Profound Questions". Interstellar. Mariner Books.
^Becket, Stefan (14 September 2023). "What are UAPs, and why do UFOs have a new name?". CBS News.
^Prothero, Donald; Callahan, Timothy (10 August 2017). UFOs, Chemtrails, and Aliens: What Science Says. Indiana University Press. ISBN 978-0253026927. Archived from the original on 9 October 2023. Retrieved 20 August 2023.
^Sheaffer, Robert (8 September 1998). UFO Sightings: The Evidence. Prometheus Books. ISBN 978-1573922135. Archived from the original on 9 October 2023. Retrieved 20 August 2023.
^Barnes, Julian E. (28 October 2022). "Many Military U.F.O. Reports Are Just Foreign Spying or Airborne Trash". The New York Times. Archived from the original on 19 August 2023. Retrieved 20 August 2023.
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