Images and sources

Images

Covers illustrate topics and do not verify the described events. Captions distinguish illustrations from evidence.

• A bright green aurora borealis streams above Earth — NASA / ISS
• The Milky Way spans the night sky above a yellow-green airglow — JSC
• A New Identity for Denali — GSFC
• Time-lapse Thunderstorm — Matthew Dominick
• Lake Tahoe and the Sierra Nevada Mountains — JSC
• forest.jpg — Jaymantri
• The Himalayas and Mount Everest in Nepal — NASA
• U-2 Aircraft at the Lewis Research Center — NASA
• Tonga Eruption Atmospheric Wave — NASA
• MISR Images Fireball Over Bering Sea — NASA/JPL-Caltech

Forest: Jaymantri / Wikimedia Commons / CC0 1.0. NASA Image Library. Natural Earth / public domain. Leaflet. Manrope & Unbounded / SIL Open Font License.

Loch Ness

Wknight94 / Wikimedia Commons. Loch Ness from Urquhart Castle — CC BY-SA 3.0. Cropped; a location photograph, not an image of Nessie.

Globe and geography

MapLibre GL JS 6.16.0 / BSD-3-Clause. OpenFreeMap / MIT. OpenMapTiles Dark Matter / BSD-3-Clause, CC BY 4.0; CartoDB, Stamen, Paul Norman. OpenStreetMap contributors / ODbL. Natural Earth / public domain. Noto Sans / SIL OFL 1.1.

Palette, label visibility by scale and event layers adapted for Anomaly. No XCOM textures, interface artwork or game code are used.

Moon and lunar surface

NASA SVS — CGI Moon Kit, LROC WAC Color Mosaic. NASA / GSFC / Arizona State University / LRO / LROC / Ernie Wright. NASA image and media guidance.

The surface mosaic is used as a cartographic texture. Model lighting is illustrative and does not show the current lunar phase. Covers are not photographs of the particular historical observations.

Three.js 0.180.0 / MIT License. OrbitControls / MIT.

Post cover credits

Covers are selected for individual stories. Captions distinguish location photographs, historical depictions and scientific visualizations. Thumbnail images may be cropped.

• AARO: a historical review of UAP investigations — U. S. Department of Defense, All-domain Anomaly Resolution Office. Public domain.
• Allende: a fireball and ancient grains — NASA/Gaeton Faraone. Public domain (NASA).
• Alnwick: two brothers against a wandering corpse — Dr.Haus. CC BY-SA 3.0.
• Alphonsus, 1958: the spectrum linked to lunar activity — NASA/GSFC/Arizona State University. Public domain (NASA).
• Apollo 11: the first human landing on the Moon — NASA. Public domain (NASA).
• Area 51: secret aircraft, documents and legends — NASA. Public domain.
• Aristarchus, 1963: reports of red patches on the Moon — NASA/JPL/USGS. Public domain (NASA).
• Bannik: who owned the fourth steam — Ivan Bilibin. Public domain.
• The Belgian wave: gendarmes, triangles and the limits of a radar record — Jakub Hałun. CC BY-SA 4.0.
• The Bell Witch: a voice retold decades later — M. V. Ingram (1832-1909),. Public domain.
• Bering Sea: a fireball recorded from orbit — NASA/GSFC/LaRC/JPL-Caltech, MISR Team. Public domain (NASA).
• The Berwick revenant: dogs, night-time fear and a fire — Rosser1954. CC BY-SA 4.0.
• Bhangarh: two curses and closed gates — Chainwit.. CC BY-SA 4.0.
• Petar Blagojevic: nine deaths and a demand to open a grave — Ванилица. CC BY-SA 4.0.
• BLC1: a signal toward Proxima that turned out to be interference — ESA/Hubble & NASA / ESA/Hubble. CC BY 4.0.
• Blickling: Anne Boleyn’s headless carriage — DeFacto. CC BY-SA 4.0.
• Blood Falls: brine inside a cold glacier — National Science Foundation/Peter Rejcek. Public domain.
• Bloody Mary: a name before the mirror — Charles Allan Gilbert. Public domain.
• Blov: the shepherd who called the doomed by name — Petr Kinšt. CC BY-SA 3.0.
• Bolsover: a boy among visitors and a scream at closing time — Tony Grist. Public domain.
• Borley: a nun, wall messages and Harry Price’s investigation — Unknown author Unknown author. Public domain.
• Brissac: the Green Lady and Charlotte’s memory — JackyM59. CC BY-SA 4.0.
• Snowball the tailor: a raven, a dog and a request for absolution — mattbuck ( category ). CC BY-SA 3.0.
• Carancas: the meteorite that made a crater — Daderot. CC0.
• Catatumbo lightning: Maracaibo’s night rhythm — Fernando Flores from Caracas, Venezuela. CC BY-SA 2.0.
• Chandrayaan-1: how water appeared in lunar soil spectra — ISRO/NASA/JPL-Caltech/USGS/Brown Univ.. Public domain.
• Chandrayaan-3: Vikram lands in the Moon’s southern latitudes — ISRO/Simeon Schmauß. CC BY 2.0.
• Chelyabinsk: a fireball and a shock wave — Alex Alishevskikh. CC BY-SA 2.0.
• Chupacabra: Puerto Rico, 1995 — Shalom. CC BY-SA 3.0.
• The Cock Lane ghost: knocks, an accusation and the 1762 investigation — Unknown (not noted in book), the Office of the National Illustrated Library no longer exists and it is very unlikely its records of its illustrators are preserved to this date.. Public domain.
• Coelacanth: a fish from the 1938 catch — Jakub Hałun. CC BY-SA 4.0.
• The Condon study: a university, disputed cases and the end of Blue Book — Photographer unknown. Public domain.
• Croglin Grange: the visitor behind the glass — Trevor Littlewood / Church of St. John the Baptist, Croglin by Trevor Littlewood. CC BY-SA 2.0.
• Cussac: a childhood account reconstructed eleven years later — Sancta floris. CC BY-SA 4.0.
• Dallol: colored brines at the limits of life — Thomas Fuhrmann. CC BY-SA 4.0.
• The 1972 fireball: into the atmosphere and out again — Ysogo. CC BY-SA 4.0.
• Devil's Kettle: where half a river goes — August Schwerdfeger. CC BY 4.0.
• Domovoi: the invisible household master and the stories around him — Ivan Bilibin. Public domain.
• Drawsko: what sickle burials reveal about fear of the dead — L. A. Gregoricka, T. K. Betsinger, A. B. Scott, M. Polcyn. CC BY 4.0.
• Enfield: knocks, jumps and another voice — Mx. Granger. CC0.
• Exeter: red lights, police officers and the aircraft dispute — Unknown author Unknown author. Public domain.
• Explained does not mean unremarkable — NASA / ISS. Public domain (NASA).
• The first pulsar: Jocelyn Bell's persistence and a pattern in strange pulses — Billthom. CC BY-SA 4.0.
• FRB 121102: locating the galaxy behind brief radio flashes — Gemini Observatory/AURA/ NSF /NRC. / NOIRLab. CC BY 4.0.
• May 2024 auroras: skies far from the poles — W.carter. CC BY-SA 4.0.
• The Beast of Gevaudan: attacks and hunts — Anonymous Unknown author. Public domain.
• Giant squid: a camera in the deep — Rodney Start, Museums Victoria / Museums Victoria. CC BY 4.0.
• Gilles Garnier: how Dole tried a wolf-man — Gustave Fraipont. Public domain.
• GOFAST: how camera motion changes the story — Hunini. CC BY-SA 4.0.
• GRAIL: two controlled impacts and unexpectedly dark traces — NASA/GSFC/Arizona State University. Public domain.
• Area 51: the U-2’s unplanned first lift-off — Alan Wilson from Weston, Spalding, Lincs, UK. CC BY-SA 2.0.
• The Hammersmith ghost: when a ghost hunt ended in tragedy — The original uploader was Colonel Warden at English Wikipedia .. Public domain.
• Hessdalen: lights under instrumental observation — Unknown author Unknown author. CC BY-SA 4.0.
• Highgate: the night a rumour gathered a crowd — JohnArmagh. Public domain.
• Hoichi the Earless: a musician before the court of the dead — Unknown author Unknown author. Public domain.
• Hunga Tonga: waves around the planet — NASA / Kayla Barron. Public domain.
• Ivory-billed woodpecker: the disputed Arkansas return — James St. John. CC BY 2.0.
• Jacques Roulet: the werewolf who escaped execution — Selbymay. CC BY-SA 3.0.
• JAL Flight 1628: lights over Alaska and a disputed radar return — kitmasterbloke. CC BY 2.0.
• Jean Grenier: a teenager before a werewolf court — Jack ma. CC BY-SA 3.0.
• Jersey Devil: the week of 1909 — Philadelphia Newspaper. Public domain.
• Jure Grando: knocking at Kringa’s doors — Johann Weikhard von Valvasor. Public domain.
• Kaikōura: film, lights and radar returns — AnnWoolliams. CC BY-SA 4.0.
• Kenneth Arnold: nine objects and the word 'saucer' — Kenneth Arnold (1915 – January 16, 1984). Public domain.
• Kerala’s red rain — V. Sasi Kumar. CC BY 2.5.
• Kikimora: the uninvited spinner — Ivan Bilibin. Public domain.
• Krakatau: an explosion, waves and extraordinary sunsets — Lithograph: Parker & Coward, Britain;. Public domain.
• La Llorona: the weeping woman and different losses — KatyaMSL. CC BY-SA 4.0.
• Lake Monoun: an invisible gas wave — Photographer unknown. Public domain.
• Nyos: the night a lake released gas — Jack Lockwood. Public domain.
• Laki: the dry haze over Europe — Anne Schöpa. CC BY 3.0.
• LCROSS: an impact into shadow and water in the ejecta — NASA. Public domain.
• Leshy: the forest master and the lost road — Louis Le Breton. Public domain.
• Levelland: night lights and stalled vehicles — Larry D. Moore. CC BY 4.0.
• Levin: a dead woman and an ineffective stake — Bartosz Paprocki. CC BY-SA 4.0.
• The Loch Ness Monster: Nessie’s history, searches and evidence — Eusebius. CC BY 3.0.
• The Lorimer burst: milliseconds in an archive, recognized six years later — Diceman Stephen West. CC BY-SA 3.0.
• The Lubbock Lights: professors, photographs and several distinct observations — Bubbahotepblues. CC BY-SA 4.0.
• Luna 16: a hundred grams of lunar soil returned without an astronaut — NASA/GSFC/Arizona State University. Public domain (NASA).
• Luna 2: the impact that completed the first journey to another world — NASA/NSSDCA (public domain). Public domain.
• Luna 3: how the first photograph of the far side appeared — OKB-1. Public domain.
• Luna 9: a panorama intercepted by an observatory on Earth — Pbernardes. CC BY-SA 4.0.
• 17 March 2013 flash: an impact that left a new crater — NASA/GSFC/Arizona State University. Public domain.
• Lunokhod 1: eleven lunar days and the rediscovery of a reflector — NASA/GSFC/Arizona State University. Public domain (NASA).
• Makalu: the footprints described as “Yeti tracks” — Ben Tubby. CC BY 2.0.
• Mantell's fatal pursuit: an unknown target and the high-altitude balloon hypothesis — USAF. Public domain.
• The Mariana film: two lights above a baseball stadium — parkerdonaldmusic. Public domain.
• Maunakea: a spiral after a rocket launch — Robert Linsdell from St. Andrews, Canada. CC BY 2.0.
• Megamouth: the shark in a sea anchor — opencage. CC BY-SA 2.5.
• Melrose: a graveyard watch for the hunting priest — Floodmfx. CC0.
• Mercy Brown: a family tragedy turned into a vampire story — Cbarry123. Public domain.
• The meteor procession of 1913 — Gustav Hahn. Public domain.
• The Minnesota Iceman — Darren Naish. Public domain.
• Morning Glory: the wave that gliders ride — Mick Petroff. CC BY-SA 3.0.
• Mothman: Point Pleasant — Csassen13. CC0.
• Mujina on the Akasaka slope: the face that vanished twice — 竜斎閑人正澄 (Japanese). Public domain.
• Murchison: space rocks and organic chemistry — United States Department of Energy; uploaded en wikipedia by en:User:Carl Henderson .. Public domain.
• Mykonos: the vroucolacas whose heart was burned — Joseph Pitton de Tournefort. Public domain.
• NASA publishes its independent UAP report — NASA. Public domain.
• FLIR / Nimitz: what the recording actually shows — United States Navy. Public domain.
• GIMBAL: image rotation and the limits of a clip — United States Navy. Public domain.
• GOFAST: screen speed and the parallax effect — United States Navy. Public domain.
• Okapi: from striped hide to a giraffe relative — Charles Miller. CC BY 2.0.
• Old Thiess: the werewolf who said he protected the harvest — Lucas Cranach the Elder. CC0.
• Oumuamua: an interstellar visitor and the limits of interpretation — NASA/ESA/STScI. Public domain (NASA).
• Arnaut Paole: an old grave behind a new investigation — Antoine Augustin Calmet / Francesco Scipione, marchese di Maffei. Public domain.
• The Patterson–Gimlin film — Fred Cherrygarden. CC BY-SA 4.0.
• Peekskill: the meteorite that struck a car — Bruno Barral. CC BY-SA 4.0.
• The Peony Lantern: a sweetheart returning after death — Little, Brown and Company. Public domain.
• Petit-Rechain: a triangle photograph and its maker's admission — Sonuwe. CC BY-SA 3.0.
• The Phoenix Lights: two events within one famous evening — Codyorb. Public domain.
• The Athenian house in chains: Pliny’s Athenodorus story — Henry Justice Ford. Public domain.
• Project Condign: a classified assessment, a defence question and a plasma hypothesis — ArildV. CC BY-SA 3.0.
• Project Sign: how disc reports became an intelligence task — US Air Force. Public domain.
• Racetrack Playa: the stones finally move on camera — NASA/GSFC/Cynthia Cheung. Public domain (NASA).
• Ranger 7: the final minutes that brought the Moon close — NASA/JPL. Public domain (NASA).
• Rendlesham Forest, 1980: lights, a memorandum and later accounts — Sandy Gerrard / Rendlesham Forest UFO Sculpture by Sandy Gerrard. CC BY-SA 2.0.
• The Robertson panel: films, air alerts and competing demands for attention — US Government. Public domain.
• Roswell: from a disc announcement to balloon records — AllenS. Public domain.
• Saola: a discovery beginning with hunters' horns — Dao Nguyen and James Hardcastle. CC BY 4.0.
• Sava Savanovic: the name revealed to an empty mill — Milan Jovanović. Public domain.
• SGR 1935+2154: a radio flash inside our Galaxy — NASA/JPL-Caltech. Public domain (NASA).
• Socorro, 1964: police officer Lonnie Zamora’s report — Project Blue Book. Public domain.
• Sprites: an accidental recording above a storm — NASA/Matthew Dominick. Public domain (NASA).
• Stephenville: testimony, a corrected statement and FAA radar data — 25or6to4. CC BY-SA 4.0.
• The Stronsay beast: a body transformed by the sea — Sir Alexander Gibson. Public domain.
• Peter Stumpp: the execution of a man printed as a werewolf — Lucas Mayer. Public domain.
• Sudan: an asteroid predicted before impact — Jon Taylor. CC BY-SA 2.0.
• Surveyor 1: footpads on the ground, a camera begins to look — NASA. Public domain.
• Tehran: two F-4s and an American report of unsuccessful interceptions — IIAF. Public domain.
• Thylacine: the final films and recovered 21 seconds — Harry Burrell. Public domain.
• Trans-en-Provence: a landing account and a ground trace — Mairie de Trans en Provence. CC BY-SA 4.0.
• The York cellar: Harry Martindale’s Romans — Tom Pennington. CC BY-SA 2.0.
• Tremonton: a family stop and 1,600 disputed frames — An Errant Knight. CC BY-SA 4.0.
• Tunguska: an explosion above the Siberian taiga — Jojo V. CC0.
• UFO / UAP: what counts as evidence? — NASA. Public domain.
• Valensole: a farmer's account and marks in a lavender field — https://www.reddit.com/user/Grafixart-Photo. CC BY-SA 4.0.
• Washington, 1952: radar returns over the capital region — Warren K. Leffler. Public domain.
• Seen something unusual? Preserve this first — U.S. Navy photo by Airman Ricardo J. Reyes.. Public domain.
• The Wow! signal: one record and an open question — Credit: Big Ear Radio Observatory and North American AstroPhysical Observatory (NAAPO).. Public domain.
• “Yeti” DNA samples: bears and a dog — Zoo Hluboka. CC BY-SA 4.0.
• Yeti: where was it last seen? — NASA. Public domain (NASA).
• Yuki-onna: the promise a woodcutter broke at home — Sawaki Suushi (佐脇嵩之). Public domain.
• The Zuiyo Maru carcass — Des Colhoun. CC BY-SA 2.0.