Sailing off the south coast of England, the Russian trawler known as the Yantar carried its usual array of hi-tech equipment ...

Ukraine's security agency said it thwarted a Russian spy network from collecting intelligence on aviation facilities for ...

A UK-based spy ring had connections in the “highest echelons” of the Bulgarian government, a court has heard. Katrin Ivanova, ...

The British navy said Wednesday that is ramping up measures to protect its waters from secret Russian operations after ...

A Royal Navy submarine was authorized to surface close to a Russian ship "strictly as a deterrent measure," British Defense ...

The UK authorized the British submarine to surface closely to the Russian vessel to warn it off, British defense secretary ...

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

The British defense secretary told Parliament that the Yantar, which he described as a Russian spy ship, had come near ...

Ministers have repeated warnings of security threats from Russia after the Royal Navy was deployed to shadow a suspected ...

Launched in utter secrecy, Parcae’s orbital triads tracked Soviet warships in real-time, offering a vital edge at the height ...

The United Kingdom has confirmed that one of its Royal Navy nuclear-powered submarines surfaced close to the Yantar, a ...