What might deliver a ceasefire? Not a performative meeting that allows Vladimir Putin to wriggle out of sanctions. Instead, ...

On the ground, the reaction is one of disbelief, defiance and anxiety. CNN reported from Sloviansk, a city first seized by ...

"Russian nuclear strategy appears to be at an inflection point," an analysis published by the Royal United Services Institute ...

For decades, the threat of nuclear conflict between the U.S. and the Soviet Union hung over humanity — and occasionally the superpowers edged toward the brink, as with the Cuban missile crisis. But ...