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

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

Queen Elizabeth II was not told officially for nearly a decade that one of her most senior courtiers had admitted he was a ...

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

Confessions of double agents and tips for new spies have been released as part of a tranche of recently-declassified ...

Members of the spy ring in the 1930s spilled secrets to the Soviet Union from the heart of the U.K. intelligence establishment.

Helenus Milmo, a barrister and wartime MI5 officer, was tasked with trying to wring the truth from Kim Philby. Some seven decades later, a transcript of the four-hour interrogation casts new light on ...

Top secret MI5 files detailing first-hand accounts of confessions of three of Britain's most notorious double agents including Kim Philby and Anthony Blunt who spied for the Soviet Union were released ...

Newly-declassified files show notorious double agent refused ‘insane’ order to follow fellow spies Burgess and Maclean to Moscow.

While shows like The Americans and Slow Horses are based on fictional characters, the gripping MGM+ miniseries A Spy Among ...

A new Sky History docu-drama, The Lost Women Spies, uncovers the incredible stories of the brave women who were recruited as ...