Official Secrets' will feature original case files, photographs and papers, alongside authentic espionage equipment ...

Newly-declassified files show the Queen was only told the full story a decade after the Cambridge don and royal courtier confessed he was a KGB spy.

A closer look at recently declassified MI5 files on the intelligence failure surrounding the five "Cambrdige spies" ...

It has been revealed that a Russian spy had worked for the Royal Family for several years. However, Queen Elizabeth was kept ...

Queen Elizabeth II wasn’t told details of her long-time art adviser's double life as a Soviet spy because palace ...

Newly released MI5 files from the National Archives reveal that British intelligence monitored potential connections between ...

Sir Anthony Blunt, the Royal Family's picture surveyor and renowned art historian, finally admitted that he had been a Soviet ...

Will we ever tire of the Cambridge spies? Kim Philby, Anthony Blunt, Burgess and Maclean – and to a lesser extent John ...

More than 100 Security Service (MI5) files have been released by the National Archives, showing the confessions of double ...

New archival material released in the UK have revealed some unexpected details about one of the biggest spy scandals ...

The files about royal art historian Anthony Blunt are among a trove from the intelligence agency MI5 released Tuesday by Britain's National Archives. They shed new light on a spy ring linked to ...