Kryptos Sculpture: The CIA’s Unsolvable Enigma

The Kryptos sculpture is an encrypted copper screen that artist Jim Sanborn installed at CIA headquarters in 1990. Its 869 characters hold four messages. Cryptanalysts solved the first three by 1999. The fourth, K4, has never been cracked. In 2025 its plaintext surfaced from an archive, but the cipher itself remains unbroken. Published: June 5, […]
Dancing Plague of 1518: Epidemic of the Peculiar

The Dancing Plague of 1518 was an outbreak of compulsive dancing in Strasbourg, Alsace, that began on July 14, 1518, when Frau Troffea danced alone in the street. Within a month, roughly 400 people had joined. Historians now read it as mass psychogenic illness, not a poisoning. Published: June 5, 2026. Last reviewed: June 5, […]
Rohonc Codex: Hungary’s 448-Page Untranslated Manuscript and 220 Years of Decipherment Attempts

The Rohonc Codex is a 448-page bound manuscript held by the Library of the Hungarian Academy of Sciences in Budapest, written in an unknown script of roughly ten to fifteen recurring signs, illustrated with eighty-seven mixed Christian, Islamic, and pagan scenes, and undeciphered since it entered the public record in 1838. [1][2] Published: 2026-05-18. Last […]
Rex Heuermann’s Guilty Plea: The Resolution of the Long Island Serial Killer Case

By Iris Kowalczyk · Published May 13, 2026 · Updated May 13, 2026 Last reviewed: May 13, 2026. Direct Answer: How the Long Island Serial Killer Case Closed On April 8, 2026, Rex Heuermann, 62, pleaded guilty in a Suffolk County courtroom to seven counts of murder and admitted to an eighth, closing a fifteen-year […]
The FBI Missing-Scientists Investigation: An Archive-Style Evidence Ledger

By Iris Kowalczyk · Published May 13, 2026 · Updated May 13, 2026 The FBI confirmed in April 2026 that it is coordinating a federal review of at least 10 deaths and disappearances among personnel with ties to U.S. nuclear, aerospace, and defense research. The cases span 2023 to 2026, multiple jurisdictions, and varied causes. […]
The Nancy Guthrie 100-Day Kidnapping: Anatomy of a Recovered-Captive Case

By Iris Kowalczyk · Published May 13, 2026 · Updated May 13, 2026 On the night of January 31, 2026, Nancy Ellen Guthrie was dropped at her front door at 9:48 p.m. by her son-in-law. At 1:47 a.m. on February 1, her doorbell camera went dark. At 2:28 a.m., her pacemaker monitor missed a transmission. […]
The Rendlesham Forest Incident: Britain’s Roswell

By Iris Kowalczyk · Published May 13, 2026 · Updated May 13, 2026 The Rendlesham Forest Incident is the documentary spine of British UFO history. Three winter nights in 1980. Two adjacent NATO airbases. American servicemen on British soil. A handwritten patrol log, a tape recorder rolling in the dark, and a memo that took […]
The Codex Gigas: The Devil’s Bible

By Iris Kowalczyk · Published May 13, 2026 · Updated May 13, 2026 The Codex Gigas is the largest extant medieval European manuscript. It sits in the National Library of Sweden in Stockholm under signature MS A 148. The case file is unusual. The physical object is fully present. The provenance is mostly intact. The […]
The Enfield Poltergeist: Unsettling Sounds and Sights

By Emilia Wellesley · Published May 8, 2026 · Updated May 13, 2026 Between August 1977 and September 1978, a council house in Enfield, North London, became the most heavily documented poltergeist case on record. Two investigators logged roughly 180 visits, 25 all-night vigils, and over 140 hours of tape. The file remains open. The […]
The Somerton Man: Tamam Shud’s Unknown End

By Emilia Wellesley · Published May 8, 2026 · Updated May 13, 2026 On the morning of December 1, 1948, a man was found propped against the seawall on Somerton Park beach, just south of Adelaide. He was dead. He carried no wallet, no identification, and no name anyone could match. The case opened that […]