President-elect Donald Trump has nominated Keith Kellogg, a former national security adviser and retired lieutenant general ...

Moscow threatens retaliation for permitting Ukraine to strike inside Russia, keeping alive its implied nuclear menace.

Sir Richard Dearlove said we "have to face up to the fact" that Russia thinks it is in a state of war with the whole of ...

Some people in Nato are afraid of their influence and unpredictability,' says a senior diplomat at Nato headquarters ...

By Wojciech Kosc in Warsaw Polish Prime Minister Donald Tusk has called for a unified European response to Russian aggression ...

Ukraine said it had shot down 79 missiles and 35 drones Thursday in what it described as a “massive” Russian aerial barrage. The attack, which prompted authorities to declare an air raid alert ...