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

Five Cambridge University graduates served as double agents, leaking highly classified information to the Soviet Union ...

The National Archives has released declassified MI5 files, including the confession of a civil servant who worked in the ...

Newly declassified British documents show that Queen Elizabeth II wasn’t told details of her long-time art adviser's double ...

As new documents reveal fascinating new details about the infamous MI6 double agent Kim Philby and his betrayals, Mark ...

The British secret service has declassified new documents about the famous spy who ended up fleeing to Moscow, where he died ...

Documents newly declassified by MI5, Britain's internal intelligence agency, show the late Queen Elizabeth II was not ...

Britain’s National Archives on Tuesdayreleased declassified MI5 domestic counterintelligence agency files containing the ...

Recently declassified MI5 files have shed light on one of the most infamous chapters in Cold War espionage, revealing ...

Trove of newly declassified files detail investigations into some of the country’s most notorious double agents, the ‘Ring of ...

The newly-declassified documents include details about some of the UK's most notorious spies.