The enormous archive contains countless books, documents and files pertaining to the unexplained.
The iconic 90s show introduced millions to the world of shadowy government conspiracies, UFOs and weird creatures.
Fox Mulder himself has offered up a rather unconventional explanation for why aliens might visit the Earth.
Prince Philip's treasure trove of investigative material concerning UFOs has been kept under wraps for decades.
Following the Queen's death, there have been calls for Prince Philip's UFO investigation files to be released to the public.
With Trump's presidency nearing an end, could now be the ideal time for him to disclose America's UFO files ?
Recently declassified documents have revealed the parts of the country with the most UFO sightings.
The Royal Air Force (RAF) has announced that it will be releasing its archive of recent UFO reports to the public.
A set of six UFO photographs that inspired Fox Mulder's iconic 'X-Files' poster are expected to fetch a hefty price.
A newly declassified list of top secret US government projects reads like something out of an X-Files episode.
A comprehensive archive of declassified CIA reports from the 1940s and 1950s has been posted online.
Series creator Chris Carter claims that he once thought the real FBI was going to shut him down.
The man who created 'The X-Files' TV show maintains that his views echo those of Mulder's iconic poster.
The British government has confirmed that several more UFO documents are still on track to be released.
Scotland Yard once believed that Star Trek fanatics had the potential to go mad and turn against society.
A NASA balloon experiment has picked up sounds that wouldn't seem out of place in an X-Files episode.
Laboratories at the Natural History Museum in London have been tasked with investigating odd discoveries.
Department of Defence documents detailing UFO reports in Australia have allegedly gone missing.