Florence Gaub and Stefan Mair argue that the U.S. nuclear umbrella “for decades has shielded the continent from outside threats.” The underlying assumption is that having a nuclear umbrella is ...

Extended nuclear deterrence has faced questions about its credibility since the concept was formed in the early Cold War era.

The U.S. president can order a nuclear launch without consulting anyone, including Congress, and U.S. nuclear weapons have ...

Russia’s attack on Ukraine and Moscow’s blatant threats to use nuclear weapons against Ukraine’s supporters have confronted Western public opinion with the danger of nuclear escalation for the first ...

Japan restated its commitment not to possess nuclear weapons amid discussions about the need for nuclear deterrence due to ...

The United States has reaffirmed its commitment to providing extended deterrence to South Korea during its first meeting of a ...

The Cold War ended in 1991. The United States’ commitment to prevent its adversaries’ nuclear ambitions and to extend its nuclear arsenal as an umbrella of protection to its partners has remained ...

The 72nd Test and Evaluation Squadron test-loads an unarmed B61-12 bomb, which can be outfitted with a nuclear warhead, on a B-2 Spirit bomber on June 13, 2022 at Whiteman Air Force Base, Missouri.

Ending the Ukraine War will ultimately require some US-Russia nuclear arms agreement. As the United States, Russia, Ukraine, ...

Amy Nelson examines how Kathryn Bigelow’s ‘A House of Dynamite’ reframes nuclear-crisis risk—and why the film could reshape ...

A paradigm is a multifaceted concept which, depending on context, may denote a particular style, tradition, concept, ...

Pope Leo XIV insisted on Thursday that peace was not only possible but necessary, as he blasted the “irrationality” of ...