Lovelock warned Rothschild that fossil fuel combustion was leading to catastrophic pollution and that it would have to be ...

The files about royal art historian Anthony Blunt are among a trove from the intelligence agency MI5 released Tuesday by ...

The tranche of documents, which are not covered by Freedom of Information laws and released at MI5's discretion subject to ...

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

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

The guidance will feature in a new exhibition at the National Archives focusing on the work of the Security Service.

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

Though many apply, only a few have the skills and patience to make it as a “watcher” an MI5 training manual published for the ...