Here is a catchy URL: ufos.nationalarchives.gov.uk.
The files contain a wide range of UFO-related documents, drawings, letters and parliamentary questions covering the years 2000-2005.
Find out more about the House of Lords’ debate on UFOs, a flying saucer hoax that was treated as a potentially real alien invasion of the UK and how 1978 nearly became ‘the year of the UFO’.
Also see: Britain releases UFO sighting and policy files, By Michelle Martin, Reuters. (Mar 2, 2011).
Hat tip to AHA Today.