Disclosure Library

The official record on UFOs and UAPs — government reports, hearings, laws and archives — each with a plain-English summary and a link to the original file.

347Records
35Agencies
5Countries
81Years covered
The UAP Timeline971 events from 1947 to today, year by year, from congressional testimony and the official records below.Open the timeline →

2020s1 record

2000s2 records

🗄️ Archive collection🇬🇧

UK Ministry of Defence UFO files

The National Archives (UK)

Thousands of pages of UFO reports, letters and internal papers from the UK Ministry of Defence, opened to the public by The National Archives in a series of releases between 2008 and 2013.

1970s2 records

🗄️ Archive collection🇺🇸

CIA UFO records collection

Central Intelligence Agency

The CIA’s online reading-room collection of declassified UFO material: memos, panel papers and reports from the late 1940s onward. Roughly 900 pages first came out in 1978 after a Freedom of Information lawsuit.

1950s1 record

🗄️ Archive collection🇺🇸

Project Blue Book (1952–1969)

U.S. Air Force · National Archives

The Air Force’s long-running study of UFO reports, which followed the shorter Project Sign (1947–48) and Project Grudge (1949). Its case files are now held by the National Archives.

1940s1 record

About this library

Everything here comes from a government, parliament, space agency or national archive. We link to the official page or file, and to a copy saved by the Internet Archive’s Wayback Machine so the record stays readable even if a website moves. The summaries are our own plain-English write-ups — they are not official text, so check the original before you quote it.

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