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

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

Newly declassified files reveal the late Queen's very unexpected reaction to the art historian's shocking secret.

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

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

Top secret MI5 files detailing first-hand accounts of confessions of three of Britain's most notorious double agents ...