The register
Every record, in one table.
Sorted by record number. Search by title, record number or a word from the case, and filter by status or by category. Every record in the register is written: unsolved, partially explained, later explained and debunked cases are all kept together, because the solved ones are the point.
23 unsolved
29 partially explained
33 later explained
15 debunked
No record matches that. Try a shorter word, or tell us what is missing.
Showing 100 records
By category
| Record | Case | Date | Status |
|---|---|---|---|
| AR-0001 | Dyatlov Pass Incident Nine hikers cut their way out of their tent from the inside and walked into a night of extreme cold. All nine died. | 1959 | Partially explained |
| AR-0002 | The Wow! Signal A strong narrowband radio signal from Sagittarius, detected once, never repeated. | 1977 | Unsolved |
| AR-0003 | The Somerton Man A body on an Adelaide beach, labels cut from the clothing, and a scrap of Persian poetry in a hidden pocket. | 1948 | Partially explained |
| AR-0004 | The Bloop An ultra-loud ocean sound, later traced to icequakes from calving Antarctic ice. | 1997 | Later explained |
| AR-0005 | The 52-Hertz Whale A real whale calling at an unusually high frequency. The species is still debated. | 1989 to present | Partially explained |
| AR-0006 | Max Headroom Broadcast Intrusion Two Chicago television signals hijacked on a single night. The perpetrator was never identified. | 1987 | Unsolved |
| AR-0007 | Numbers Stations and UVB-76 Shortwave stations broadcasting coded messages. Espionage is the accepted purpose; the specifics are not known. | Cold War to present | Partially explained |
| AR-0008 | The Hum A persistent low-frequency drone heard by a minority of people. Some sources found, many not. | 1970s to present | Partially explained |
| AR-0009 | Mary Celeste A merchant ship found adrift, her crew gone, cargo and provisions intact. | 1872 | Unsolved |
| AR-0010 | Flannan Isles Keepers Three lighthouse keepers vanished from a Hebridean island. A freak wave is the leading account. | 1900 | Partially explained |
| AR-0011 | The Lead Masks Case Two men found dead on a Brazilian hillside wearing lead eye masks, with cryptic notes. | 1966 | Unsolved |
| AR-0012 | D. B. Cooper A hijacker parachuted from a passenger jet with ransom cash and was never found. | 1971 | Unsolved |
| AR-0013 | Hinterkaifeck Murders Six killed on a Bavarian farm, with signs the killer had been living there beforehand. | 1922 | Unsolved |
| AR-0014 | The Bermuda Triangle No statistically anomalous rate of disappearance. Retained because the debunking is the record. | Popularised 1950s to 1970s | Debunked |
| AR-0015 | Hessdalen Lights Recurring luminous phenomena in a Norwegian valley, under active scientific study. | Documented since 1981 | Partially explained |
| AR-0016 | Ball Lightning Luminous spheres during storms. Laboratory analogues exist; the mechanism is still debated. | Long documented | Partially explained |
| AR-0017 | Marfa Lights Distant flickering lights in West Texas. Many are attributed to headlights and atmospheric refraction. | 1883 to present | Partially explained |
| AR-0018 | Min Min Lights An Australian light phenomenon, largely explained by mirage-like refraction of distant sources. | 1838 to present | Later explained |
| AR-0019 | Naga Fireballs Glowing orbs rising from the Mekong. Methane and hoax remain the competing accounts. | Documented from the 20th century | Unsolved |
| AR-0020 | The Voynich Manuscript An illustrated codex written in an unknown script. Still undeciphered after a century of attempts. | c. 1404 to 1438 | Unsolved |
| AR-0021 | The Zodiac Ciphers Four ciphers. Two solved, one of them only in 2020. The sender was never identified. | 1969 onward | Partially explained |
| AR-0022 | Kryptos An encrypted sculpture at CIA headquarters. Three sections solved; the fourth is still open. | 1990 | Partially explained |
| AR-0023 | The Phaistos Disc Stamped symbols on Bronze Age clay, undeciphered. Authenticity has occasionally been questioned. | c. 1700 BCE | Unsolved |
| AR-0024 | The Antikythera Mechanism A corroded geared device from a shipwreck, identified as an ancient astronomical calculator. | c. 2nd to 1st century BCE | Later explained |
| AR-0025 | The Beale Ciphers Three ciphertexts said to locate a buried treasure. The story is older than the words it uses. | 1885 pamphlet | Debunked |
| AR-0026 | Tabby's Star (KIC 8462852) Irregular stellar dimming, best attributed to uneven circumstellar dust. | 2015 | Partially explained |
| AR-0027 | 'Oumuamua The first known interstellar object. Its slight acceleration has natural explanations. | 2017 | Partially explained |
| AR-0028 | Fast Radio Bursts Millisecond radio flashes. Many are tied to magnetars; some sources remain unknown. | First noted 2007 | Partially explained |
| AR-0029 | The Pioneer Anomaly A tiny unexplained deceleration of two probes, resolved as thermal recoil. | 1980 to 2012 | Later explained |
| AR-0030 | The Tunguska Event Roughly 2,000 square kilometres of Siberian forest flattened by a meteoroid airburst. | 1908 | Later explained |
| AR-0031 | The Carrington Event The largest recorded solar storm. Worldwide auroras and telegraph systems disrupted. | 1859 | Later explained |
| AR-0032 | The Sailing Stones of Racetrack Playa Rocks that move across a dry lakebed on their own. Solved in 2014: thin ice rafts and light wind. | Documented from 1948 | Later explained |
| AR-0033 | The Red Rain of Kerala Red-tinted rainfall in southern India, attributed to airborne algal spores. | 2001 | Later explained |
| AR-0034 | Spontaneous Human Combustion Bodies burned with little external ignition. The wick effect is the leading account. | Claimed since the 18th century | Partially explained |
| AR-0035 | The Dancing Plague of 1518 Crowds in Strasbourg danced for days, some to death. Mass psychogenic illness is the leading reading. | 1518 | Partially explained |
| AR-0036 | The Tanganyika Laughter Epidemic Contagious laughing and crying among schoolgirls. A classic mass psychogenic case. | 1962 | Later explained |
| AR-0037 | The Mad Gasser of Mattoon Reports of a gas-spraying prowler, widely attributed to collective hysteria. | 1944 | Later explained |
| AR-0038 | The Le Roy Tic Outbreak Teenagers in upstate New York developed tics, diagnosed as conversion disorder. | 2011 | Later explained |
| AR-0039 | Upsweep A rising ocean sound recorded since 1991. Seasonal, still emitting, still unattributed. | 1991 to present | Unsolved |
| AR-0040 | Julia An ocean sound heard across the Pacific. Traced to an iceberg running aground off Antarctica. | 1 March 1999 | Later explained |
| AR-0041 | Slow Down A seven-minute descending tone, attributed to an iceberg scraping the seabed. | 19 May 1997 | Later explained |
| AR-0042 | The Bio-duck A quacking heard by submarines for fifty years. Tagged in 2014: it is the Antarctic minke whale. | 1960s to 2014 | Later explained |
| AR-0043 | Skyquakes and Mistpouffers Unexplained booms with no seismic source. Some traced, many not. | Recorded since the 19th century | Partially explained |
| AR-0044 | Breakthrough Listen Candidate 1 The strongest SETI candidate since the Wow! signal. It was interference from human equipment. | 2020, announced 2021 | Debunked |
| AR-0045 | Havana Syndrome Diplomats reported directional sound and injury. Cause and mechanism remain contested. | 2016 to present | Unsolved |
| AR-0046 | Whistlers and the Dawn Chorus Birdsong in the radio band, heard on telephone lines in the 1880s. It is lightning, bent by the magnetosphere. | Recorded since 1886 | Later explained |
| AR-0047 | The Isdal Woman A burned body in a Norwegian valley, labels cut from her clothing, and eight false identities. | 29 November 1970 | Unsolved |
| AR-0048 | SS Ourang Medan The famous ghost ship. No record exists that the vessel was ever registered, anywhere. | Alleged 1947 or 1948 | Debunked |
| AR-0049 | Chivruay Pass Incident Ten students died in the Khibiny mountains. Often called a second Dyatlov; the record says weather. | 1973 | Later explained |
| AR-0050 | Khamar-Daban Incident Six of seven hikers died in hours in Siberia. One survivor walked out and told what she saw. | August 1993 | Partially explained |
| AR-0051 | The Yuba County Five Five men abandoned a working car on a mountain road and walked into the snow. | 24 February 1978 | Unsolved |
| AR-0052 | Elisa Lam The internet built a haunting out of it. The inquest found a medical explanation. | January to February 2013 | Later explained |
| AR-0053 | The Bennington Triangle Five disappearances in Vermont, linked by a name coined decades later. The link does not survive the record. | 1945 to 1950 | Debunked |
| AR-0054 | Amelia Earhart The most searched-for disappearance in aviation. Still no wreck, still no body. | 2 July 1937 | Unsolved |
| AR-0055 | The Sodder Children A house burned down. Five children were never found in it, and no remains were ever recovered. | 24 December 1945 | Unsolved |
| AR-0056 | The Vanished Sandringham Company The battalion that walked into a cloud and never came out. They were killed at Suvla, and the bodies were found. | 12 August 1915 | Debunked |
| AR-0057 | Sprites and Blue Jets Pilots reported lightning going upward for a century and were disbelieved. In 1989 a camera caught it. | Reported 1886, confirmed 1989 | Later explained |
| AR-0058 | St Elmo's Fire Blue fire on the masts of ships. It is corona discharge, and it terrified sailors for a thousand years. | Recorded for centuries | Later explained |
| AR-0059 | Brown Mountain Lights Lights on a North Carolina ridge. Some are cars; a 2016 study could not account for all of them. | Reported since 1913 | Partially explained |
| AR-0060 | Foo Fighters Allied aircrew reported glowing objects pacing their aircraft. Documented in official wartime files. | 1944 to 1945 | Partially explained |
| AR-0061 | The Great Airship Mystery America saw airships before airships existed. Most sightings trace to newspaper hoaxes and Venus. | 1896 to 1897 | Debunked |
| AR-0062 | The Phoenix Lights Two separate events on one night. One was flares. The other is still argued over. | 13 March 1997 | Partially explained |
| AR-0063 | The Lubbock Lights A V of lights over Texas, investigated by the US Air Force. Attributed to birds and city lights. | August 1951 | Later explained |
| AR-0064 | Ghost Rockets Two thousand rocket-like objects over Scandinavia. Most were meteors. A residue was not, and nothing was ever recovered. | 1946 | Partially explained |
| AR-0065 | Earthquake Lights Light seen before and during earthquakes. Dismissed as folklore until it was filmed. | Recorded for centuries | Partially explained |
| AR-0066 | Rongorongo The only writing system ever developed in Oceania. Nobody alive can read it. | Recorded from 1864 | Unsolved |
| AR-0067 | Linear A Its successor, Linear B, was cracked in 1952. Linear A has resisted everything since. | c. 1800 to 1450 BCE | Unsolved |
| AR-0068 | The Indus Script Thousands of inscriptions from a literate civilisation. It is not even agreed that it is writing. | c. 2600 to 1900 BCE | Unsolved |
| AR-0069 | The Copiale Cipher 105 encrypted pages. Cracked in 2011 by machine translation. It was an ophthalmologists' secret society. | c. 1760 to 1780 | Later explained |
| AR-0070 | The Dorabella Cipher Eighty-seven characters, written by Edward Elgar to a friend. Never read. | 14 July 1897 | Unsolved |
| AR-0071 | The Rohonc Codex Four hundred pages in an unknown script. Probably a forgery, and still nobody can read it. | Surfaced 1838 | Partially explained |
| AR-0072 | The Baghdad Battery The ancient battery that was not a battery. It has no leads, and the vessels match known scroll jars. | c. 250 BCE to 250 CE | Debunked |
| AR-0073 | The Oak Island Money Pit Two centuries of digging. The geology of the island explains most of what was found. | 1795 to present | Partially explained |
| AR-0074 | The Crystal Skulls Pre-Columbian, supposedly. Electron microscopy found rotary tool marks that did not exist in the Americas. | Surfaced from the 1860s | Debunked |
| AR-0075 | Przybylski's Star A star whose spectrum shows elements that should not exist in it, including some with no stable isotopes. | 1961 to present | Partially explained |
| AR-0076 | The CMB Cold Spot A patch of the early universe that is colder than it has any right to be. | 2004 | Partially explained |
| AR-0077 | The Flyby Anomaly Spacecraft swinging past Earth picked up speed that nobody can account for. | 1990 to 2013 | Unsolved |
| AR-0078 | The Black Knight Satellite An alien satellite in polar orbit. It is a thermal blanket lost on STS-88, plus sixty years of misattribution. | Assembled from the 1950s | Debunked |
| AR-0079 | The Face on Mars Viking 1 photographed a face. Higher-resolution imaging photographed a hill. | 25 July 1976 | Debunked |
| AR-0080 | Planet Nine Distant objects are clustered as though something is herding them. Nothing has been seen. | Proposed 2016 | Unsolved |
| AR-0081 | The Hubble Tension Two good ways of measuring how fast the universe expands. They disagree, and the gap is widening. | Sharpened since 2013 | Unsolved |
| AR-0082 | The Great Attractor Our galaxy is falling toward something we cannot see, because the Milky Way is in the way. | 1973 onward | Later explained |
| AR-0083 | The Vela Incident A US satellite recorded the double flash of a nuclear test. No country has ever admitted it. | 22 September 1979 | Unsolved |
| AR-0084 | The Oklo Natural Reactor Uranium in Gabon was depleted. It had been running as a nuclear reactor, by itself, for hundreds of thousands of years. | c. 1.7 billion years ago | Later explained |
| AR-0085 | The Well to Hell Soviet engineers drilled into a cavity and recorded the screams of the damned. The audio is from a 1972 horror film. | Broadcast 1989 | Debunked |
| AR-0086 | Blood Falls Antarctic ice bleeding red. It is iron-rich brine from a lake sealed under the glacier for a million years. | Described 1911, explained 2017 | Later explained |
| AR-0087 | The Devil's Kettle Half a river vanished into a hole and nobody could find where it went. In 2017 someone measured the flow. | Explained 2017 | Later explained |
| AR-0088 | The Eltanin Antenna An alien antenna photographed on the deep sea floor. It is a carnivorous sponge, Chondrocladia concrescens. | 29 August 1964 | Debunked |
| AR-0089 | Rains of Fish and Frogs Animals falling from the sky, documented by reliable witnesses for two hundred years. Waterspouts. | Recorded for centuries | Later explained |
| AR-0090 | The Yamal Craters Enormous holes appearing in the Siberian permafrost, with no impact and no explosion residue. | 2014 onward | Later explained |
| AR-0091 | The Moving Coffins of Barbados Coffins that rearranged themselves in a sealed vault. The earliest account postdates the events by decades. | 1812 to 1820 | Debunked |
| AR-0092 | The War of the Worlds Panic The night America panicked. Contemporary ratings show almost nobody was listening. | 30 October 1938 | Debunked |
| AR-0093 | The Halifax Slasher A phantom attacker terrorised a Yorkshire town. Scotland Yard found the wounds were self-inflicted. | November 1938 | Later explained |
| AR-0094 | The Seattle Windshield Pitting Epidemic Thousands reported damage to their windscreens. The damage had always been there; people started looking. | March to April 1954 | Later explained |
| AR-0095 | The Monkey Man of Delhi A creature attacking people in the night. Injuries were real; the creature was not. | May 2001 | Later explained |
| AR-0096 | Koro Epidemics Waves of men convinced their genitals were retracting into their bodies. Hospitals filled. | Recorded episodes since 1967 | Later explained |
| AR-0097 | Gloria Ramirez Emergency staff collapsed while treating a dying patient. The samples that could have explained it were allowed to degrade. | 19 February 1994 | Partially explained |
| AR-0098 | The Pokemon Shock Six hundred and eighty-five children were hospitalised by a cartoon. Photosensitive epilepsy, then spread. | 16 December 1997 | Later explained |
| AR-0099 | The Kalachi Sleeping Sickness A Kazakh village where people fell asleep for days. It was carbon monoxide from the mines below. | 2013 to 2015 | Later explained |
| AR-0100 | The Salem Witch Trials Twenty people executed on spectral evidence. The medical explanations for the afflictions remain disputed. | 1692 to 1693 | Partially explained |