The French leader unveiled plans to spend about $1.6 billion on a nuclear air base hours before traveling to Berlin for talks ...

China has continued to accelerate and expand the modernization of its nuclear arsenal but has yet to become a peer of the ...

Firings and buyouts hit the top-secret National Nuclear Security Administration amid a major effort to upgrade America’s ...

The nuclear shadow has precluded large-scale war between nuclear states. A fear of mutual destruction helped keep the Cold ...

Talk of replacing the American nuclear umbrella over Europe with the small British and French nuclear armories is in the air, ...

Ukrainian public attitudes about having nuclear weapons have shifted significantly in 30 years. Kyiv may consider setting up ...

It’s a new day in Europe. Gone are the halcyon years of unshakeable American commitment to Europe’s defense against Russia.

Donald Trump’s exclamation that Ukraine’s defense of its territory could cause a nuclear war was extraordinarily dangerous.

As the early days of Donald Trump's second presidency up-ends established norms, Europe is contemplating what it might mean ...

With the Ukraine War and the retreat of the United States from what has routinely been called Europe’s security architecture, ...

Everyone should understand that if the liberal order falls, the nonproliferation regime would fall with it. And the powers ...

North Korea on Monday vowed to "steadily update and strengthen" its nuclear arsenal, rejecting a joint statement by the Group ...