The enormous archive contains countless books, documents and files pertaining to the unexplained.
In this vintage clip, BBC astronomer Sir Patrick Moore speaks to a man who says he can speak 'Venusian'.
Thanks to recently implemented legislation, the National Archives now features a page dedicated to UFO files.
New legislation now requires federal agencies to tag and archive any records pertaining to the UFO phenomenon.
The letter had been part of an enormous archive of letters and documents kept by the late UFO researcher.
The center will contain the largest ever archive dedicated to the preservation and centralization of UFO-related material.
Every week we will be posting up an exclusive set of hand-picked images from the archives of our late sister site.
The Mary Ferrell Foundation is attempting to force the release of 16,000 records relating to JFK's murder.
Researchers have been scouring Australia's archives for long-lost video clips of the extinct Tasmanian tiger.
A rather peculiar claim concerning Nikola Tesla has been found in the archives of the FBI's official website.
Amateur sleuths have been poring over a Google Drive archive of evidence pertaining to the show's new cases.
The Royal Air Force (RAF) has announced that it will be releasing its archive of recent UFO reports to the public.
A private collection of 30,000 UFO documents and reports has been donated to the University of Manitoba.
A girl who happens to look uncannily like the young activist has been spotted in an old archive photograph.
A vast repository of manuscripts dating back over a thousand years has been officially renamed by the Pope.
New Zealand's Department of Internal Affairs has been plagued by reports of ghosts, according to internal files.
A vast library of more than 25,000 occult texts has been scanned and published on the Internet for free.
Amusing archive footage has highlighted how attitudes on the topic of alien life have changed over the years.
The seven hand-written parchment fragments were found in the archives of Bristol's central library.
An old photo of what is thought to be the house's original foundation has been discovered in a local archive.