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If you've ever wondered whether we really are alone - 9-thousand newly-released pages of UFO sightings and the videos below might help cure your curiosity.
The 34 files from the National Archive cover the period 1985 to 2007 – with photographs, drawings and RAF investigations.
The archive comes after sightings of mysterious lights spotted during the Glastonbury festival, a flying saucer spotted at a town hall in Nottingham and a bizarre story of 'Mork and Mindy's' visit to East Dulwich.
It's not the first time a UFO has been spotted theses are the most popular on YouTube.
Real or fake? Let us know what you think..
"The truth is out there": This is the picture taken outside Retford Town Hall in Nottingham.
A drawing of a UFO seen by a MoD Police Sergeant at the Royal Ordnance Factory at Blackburn, Lancashire, on February 24, 1979.
A drawing of an unidentified aircraft sighted near RAF Lyneham, Wiltshire, by a member of the public on 26 June 2003.
You can view the archive in more detail here.