“The rush to transform Cold War deterrence into a weapon against nuclear terrorism opens the door to a host of unintended yet dangerous consequences,” warns a new Council Special Report, Deterring ...

Between the Ukraine War and Operation Midnight Hammer, nuclear deterrence once again proved itself to be the defining issue of the year. The year 2025 made it crystal clear that the world is changing, ...

For decades, nuclear weapons have been treated as the ultimate arbiter of international politics. They were supposed to deter great-power war, impose caution on leaders, and anchor what strategists ...

As the war in Ukraine grinds on and relations with the West remain frozen, Russia has increasingly leaned on advanced strategic weapons to project power far beyond the battlefield. In late 2025, ...