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Search 3,721 documents across 34 fields — every claim tier-rated by evidence

3,721 Documents 34 Sections 43,623 Citations 34,854 Keywords Indexed 4 Evidence Tiers

3,633 are the core, quality-scored corpus (34 lettered sections — see How We Work); the remaining 88 are cross-corpus synthesis documents (68 InterDocs, 12 Connections, 8 Theories) also indexed here.

159 results for "unidentified anomalous phenomena" — page 1 of 8

I_2_02 UAP Disclosure

I_2_02 — Government Investigation of Anomalous Phenomena

For nearly eight decades, the United States government — along with allies and adversaries — has maintained a sprawling, often covert apparatus for investigating anomalous phenomena spanning unidentified aerial/aerospace

government investigation anomalous phenomena Project Blue Book Project Sign Project Grudge AATIP

I_1_05 UAP Disclosure

I_1_05 — The Scientific Study of Anomalous Atmospheric Phenomena

A range of rare atmospheric phenomena — ball lightning, earthquake lights, transient luminous events (sprites, elves, blue jets), and persistent luminous anomalies such as the Hessdalen lights — have been observed for ce

ball lightning earthquake lights transient luminous events sprites elves blue jets

I_1_01 UAP Disclosure

I_1_01 — The UAP Phenomenon: Overview and Historical Context

Unidentified Aerial Phenomena (UAP) — formerly "UFOs" — represent one of the most persistent and globally reported anomalous phenomena in modern history. Reports of unexplained aerial objects span from antiquity (Roman p

UAP UFO unidentified aerial phenomena unidentified anomalous phenomena flying saucer foo fighters

ZF_3_04 Oceanography

ZF_3_04 — USOs: Unidentified Submerged Objects and Trans-Medium Phenomena

Unidentified Submerged Objects (USOs) — anomalous craft or phenomena observed entering, exiting, or operating beneath the ocean surface — represent one of the most intriguing and least explained categories of unidentifie

USO unidentified submerged object trans-medium USS Nimitz USS Omaha Shag Harbour

O_1_18 Credible Earth Anomalies

O_1_18 — Ball Lightning and Earthquake Lights: Transient Luminous Phenomena

Ball lightning — a luminous, roughly spherical phenomenon observed during or near thunderstorms, typically 10–50 cm in diameter and lasting 1–10 seconds — and earthquake lights (EQLs) — luminous atmospheric phenomena obs

ball-lightning earthquake-lights transient-luminous-phenomena kugelblitz piezoelectric triboluminescence

O_1_09 Credible Earth Anomalies

O_1_09 — Persinger's Tectonic Strain Theory and Geomagnetic Anomalies

Michael Persinger (1945–2018), a neuroscientist at Laurentian University (Sudbury, Ontario), developed the Tectonic Strain Theory (TST) — a hypothesis proposing that stress accumulating along geological fault zones produ

Michael Persinger tectonic strain theory TST geomagnetic anomaly piezoelectric triboluminescence

I_3_09 Verified UAP Disclosure

I_3_09 — Foo Fighters and World War II Anomalous Observations

"Foo fighters" — a term coined by American military aircrews during World War II — refers to unexplained luminous phenomena observed by Allied (and reportedly Axis) pilots in both the European and Pacific Theaters from a

foo fighter World War II WWII anomalous lights strange aerial phenomena 415th Night Fighter Squadron

T_5_05 Credible Psychology & Social

T_5_05 — Parapsychology and Anomalous Cognition

Parapsychology is the scientific study of claimed anomalous psychological phenomena — particularly extrasensory perception (ESP) (telepathy, clairvoyance, precognition) and psychokinesis (PK) (mental influence on physica

parapsychology ESP extrasensory perception telepathy precognition psychokinesis

ZA_5_03 Credible Physics & Quantum

ZA_5_03 — Infrasound — Physics, Biological Effects, and Anomalous Phenomena

Infrasound — sound below the conventional human hearing threshold of ~20 Hz — is a pervasive physical phenomenon generated by natural sources (wind, ocean waves, volcanic eruptions, earthquakes, thunderstorms, animal voc

infrasound low-frequency sound sub-bass 18.98 Hz Vic Tandy standing wave

I_2_14 Speculative UAP Disclosure

I_2_14 — Historical USO and Naval Encounters with Unidentified Submersible Objects

Unidentified Submersible Objects (USOs) — anomalous objects observed entering, exiting, or operating beneath water — constitute a persistent but poorly documented subset of unidentified aerial phenomena (UAP). Reports sp

uso unidentified-submersible-object naval-encounters transmedium undersea-anomaly sonar-contact

O_2_17 Credible Earth Anomalies

O_2_17 — Ball Lightning and Plasma Physics: Transient Luminous Phenomena

Ball lightning — a luminous, roughly spherical phenomenon occurring during or near thunderstorms, typically 10–50 cm in diameter, persisting for seconds to minutes, and sometimes reported to pass through solid barriers o

ball lightning plasma physics atmospheric phenomena luminous phenomena electromagnetic Kapitza

O_2_18 Credible Earth Anomalies

O_2_18 — Ball Lightning and Earthquake Lights: Anomalous Atmospheric Luminosities

Ball lightning and earthquake lights (EQL) represent two of the most enduring unsolved problems in atmospheric and geophysics. Ball lightning — luminous spheres typically 10–50 cm in diameter, persisting for seconds to m

ball-lightning earthquake-lights eql atmospheric-anomaly plasma-physics piezoelectric-effect

Y_2_02 Altered States

Y_2_02 — Terminal Lucidity

This document examines Terminal Lucidity, a topic within the Consciousness research area. Key areas of investigation include What Is Terminal Lucidity?, Why This Is Anomalous, The Significance for Consciousness Studies.

terminal lucidity paradoxical lucidity near-death lucidity deathbed phenomena Nahm Greyson

I_4_02 UAP Disclosure

I_4_02 — USOs & Trans-Medium Phenomena

Unidentified Submerged Objects (USOs) and trans-medium phenomena — craft moving seamlessly between air and water — represent one of the most intriguing intersections of modern UAP data and ancient tradition. Modern milit

USO unidentified submerged object trans-medium Sanderson invisible residents vile vortices

M_1_11 Credible Forbidden Archaeology

M_1_11 — Baigong Pipes: Natural Formation or Anomalous Technology?

The Baigong pipes (also called the "Baigong alien ruins") are a collection of pipe-like iron-rich structures found in and around three caves on Mount Baigong (also transliterated Bai Gong Shan), near Delingha in the remo

Baigong pipes Baigong Mountain Qinghai iron pipes natural formation tree casts

M_1_15 Credible Forbidden Archaeology

M_1_15 — Out-of-Place Artifacts: Systematic Evaluation of Anomalous Objects

"Out-of-Place Artifacts" (OOParts) — objects allegedly found in geological or archaeological contexts that seem anachronistic for their supposed age or location — have long served as cornerstones of alternative archaeolo

ooparts out-of-place-artifacts antikythera-mechanism baghdad-battery phaistos-disc anomalous-objects

M_1_10 Speculative Forbidden Archaeology

M_1_10 — Antelope Springs Footprint and Anomalous Fossil Prints

The "Antelope Springs footprint" — discovered by amateur fossil collector William J. Meister Sr. on June 1, 1968, near Antelope Springs, Utah — is one of the most widely cited "out-of-place artifacts" (OOPArts) in altern

Antelope Springs William Meister trilobite fossil footprint OOPArt out-of-place artifact

Y_4_04 Altered States

Y_4_04 — Entoptic Phenomena and Phosphene Patterns

This document examines Entoptic Phenomena and Phosphene Patterns, a topic within the Consciousness research area. Key areas of investigation include Defining Entoptic Phenomena, Phosphenes: Light from Within, Heinrich Kl

entoptic phenomena phosphene form constants Heinrich Klüver mescaline Lewis-Williams

Y_5_05 Altered States

Y_5_05 — Psychic Phenomena: Meta-Analyses and Scientific Evaluation

Parapsychology — the scientific study of purported psychic (psi) phenomena including telepathy, clairvoyance, precognition, and psychokinesis — occupies a unique and contested position in science. Over 130+ years, thousa

parapsychology psi research telepathy clairvoyance precognition psychokinesis

Y_2_11 Verified Altered States

Y_2_11 — Déjà Vu and Anomalous Memory Experiences

Déjà vu — from the French "already seen" — is the subjective, compelling sensation that a present experience has been previously encountered, despite the experiencer's knowledge that the situation is objectively novel. F

déjà vu anomalous memory temporal lobe familiarity recollection dual-process theory

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