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

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

A dangerous incident occurred in the Mediterranean Sea, near the coast of Syria. A fire broke out on the Russian spy ship ...

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

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 ...

An alleged spy has told jurors she was unaware that a man she had been tasked with following across Europe was a "good person ...

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 ...

Britain's rapid deployment troops are "ready" to board and seize Russian ships off the coast if there is evidence they are ...

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