Evidence Explorer

Full-text search across cases, agency files, testimony, map pins, and related entities.

3,522 matching evidence objects

Newest first

40027753-001-0037

Other Unclassified Released — Credibility 80% Original ↗
This document is a bibliography of various works related to unidentified flying objects (UFOs), detailing books and studies that explore the phenomenon from different perspectives, including scientific inquiries, personal accounts, and cultural analyses.

40027753-001-0036

Other Unclassified Released — Credibility 90% Original ↗
This document discusses the status of UFO investigations by the Air Force post-Project Blue Book, indicating that there is no current interest or funding for such investigations. It also mentions the involvement of private organizations and universities in studying UFO phenomena …

40027753-001-0035

Foia Release Unclassified Released — Credibility 90% Original ↗
This document details the termination of Project Blue Book, the U.S. Air Force's investigation into UFOs, which concluded in December 1969. It summarizes the findings of the project, stating that no UFOs posed a threat to national security, and that there was no evidence of extra…

40027753-001-0033

Other Unclassified Released — Credibility 80% Original ↗
The document discusses the psychological and sociological aspects of UFO and contactee phenomena, emphasizing the lack of objective evidence for extraterrestrial visits and the psychological needs these beliefs may fulfill.

40027753-001-0032

Scientific Study Unclassified Released — Credibility 90% Original ↗
The document discusses the lack of substantial evidence for UFOs despite extensive observations by professional astronomers. It highlights the skepticism within the scientific community regarding UFO sightings and mentions government investigations into the phenomenon, including …

40027753-001-0031

Other Unclassified Released — Credibility 80% Original ↗
This document discusses the phenomenon of unidentified flying objects (UFOs), detailing their characteristics, historical sightings, and investigations conducted by the U.S. Air Force. It highlights the challenges in evaluating UFO reports and categorizes many sightings as natura…

40027753-001-0030

Other Unclassified Released — Credibility 90% Original ↗
This document is a reprint of an article by Carl Sagan discussing unidentified flying objects (UFOs) published in the Encyclopedia Americana. It is sourced from the National Archives and highlights Sagan's contributions to the understanding of UFO phenomena.

40027753-001-0029

Scientific Study Unclassified Released — Credibility 90% Original ↗
This document discusses extensive nighttime astronomical sky surveys conducted by trained observers, particularly focusing on the Harvard Meteor Project and the Smithsonian Astrophysical Observatory's Prairie Network. Despite numerous reports of unidentified flying objects (UFOs)…

40027753-001-0028

Other Unclassified Released — Credibility 90% Original ↗
Wernher von Braun provides a rational explanation for the majority of UFO sightings, attributing them to various known phenomena while expressing skepticism about the remaining unexplained cases.

40027753-001-0027

Scientific Study Unclassified Released — Credibility 80% Original ↗
This document presents a table of UFO sightings associated with Mars and Venus from 1956 to 1963, suggesting limited extraterrestrial activity from these planets.

40027753-001-0026

Scientific Study Unclassified Released — Credibility 80% Original ↗
The document discusses the possibility of UFOs originating from Mars or Venus, analyzing the timing of potential space travel based on favorable launch and arrival windows. It suggests a method to statistically evaluate UFO sightings during these intervals to determine if there i…

40027753-001-0025

Other Unclassified Released — Credibility 90% Original ↗
This document is a report template for individuals observing a fireball or meteor, requesting detailed information to aid in the scientific study of meteors.

40027753-001-0024

Foia Release Unclassified Released — Credibility 80% Original ↗
This document provides statistical data on unidentified aerial phenomena (UAP) reported in 1966, categorizing sightings into various classifications such as astronomical, aircraft, balloons, and unidentified objects.

40027753-001-0023

Foia Release Unclassified Released — Credibility 80% Original ↗
This document provides statistical data on unidentified aerial phenomena (UAP) and other related sightings from 1953 to 1965, compiled by the National Archives. It categorizes cases into various types, including astronomical sightings, aircraft, balloons, and unidentified cases, …

40027753-001-0022

Foia Release Unclassified Released — Credibility 90% Original ↗
This document provides a compilation of total UFO sightings from 1947 to 1967, detailing both total sightings and the number of unidentified sightings each year.

40027753-001-0021

Other Unclassified Released — Credibility 80% Original ↗
This document lists various non-military publications related to astronomy, weather phenomena, and UFOs, providing resources for further reading on these topics.

40027753-001-0020

Foia Release Unclassified Released — Credibility 80% Original ↗
The document outlines internal procedures for managing UFO reports within the Air Force and states that no evidence of extraterrestrial vehicles has been found in submitted photographs.

40027753-001-0019

Other Unclassified Released — Credibility 90% Original ↗
The document outlines the conclusions of Project Blue Book regarding unidentified flying objects (UFOs), stating that no UFO has been found to pose a threat to national security, nor is there evidence of extraterrestrial vehicles or advanced technology beyond current scientific u…

40027753-001-0018

Other Unclassified Released — Credibility 80% Original ↗
The document discusses the characteristics and behaviors of large balloons, particularly in relation to their appearance and movement, which can lead to misidentification as unidentified flying objects (UFOs). It also categorizes various phenomena that can be mistaken for UFOs.

40027753-001-0017

Foia Release Unclassified Released — Credibility 90% Original ↗
The document outlines the categorization and evaluation of UFO sightings by the Project Blue Book Office, detailing the types of reports, the significance of missing data, and common sources of UFO misidentifications.