For those who may have missed this before.

http://www.nationalarchives.gov.uk/ufos/


The files contain a wide range of UFO-related documents, drawings, letters and parliamentary questions covering the years 1985-2007.

Read eyewitness accounts of UFO sightings, see the picture of a ‘flying saucer’ which was sent for analysis by defence experts and discover the bizarre story of ‘Mork and Mindy's' visit to East Dulwich.

Start by reading our highlights guide (PDF, 397kb) to help you navigate your way through the files released in August 2011.