Russia has refused to reschedule a key meeting with U.S. nuclear negotiators that it canceled in November, a U.S. diplomat said on Tuesday, further delaying efforts to replace an expiring nuclear ...

Russia said on Wednesday it wanted to preserve its last remaining nuclear treaty with the United States despite what it ...

Inspections of U.S. and Russian military sites under the New START agreement were paused by both sides because of the spread of the coronavirus.

Russia is breaching the terms of the New START nuclear-arms reduction treaty by refusing to allow inspectors on its territory ...

Russia is supposed to be allowing regular inspections of its nuclear arsenal. But worsening relations with the U.S. over the war in Ukraine are leading the country to appear guarded.

It follows months of more hopeful US assessments that the two countries would be able to salvage cooperation on limiting ...

The more important question for Washington is what Russia’s debacle in Ukraine may tell us about the future of nuclear deterrence. As the Congressional Research Service notes in a recent report ...

(Photo by Galerie Bilderwelt via Getty Images) One of the more likely scenarios discussed is Russia firing a so-called tactical nuclear ... the United States committing unilaterally to disarmament ...

The treaty allows five of them—the United States, the United Kingdom, Russia, China, and France—to possess nuclear weapons. But it also requires those five to pursue full nuclear disarmament.

“Nuclear weapons make us vulnerable to dictators ... almost all of which are held by the U.S. or Russia. But, Fihn says, “the goalposts for disarmament just keep moving.” ...

In a recent essay for The Economist, his chief of staff stated that talks were ... on Russia to withdraw and end its unlawful invasion. The devastation of this war affects us all.

North Korea’s spike in missile testing and development of its nuclear program has prompted South Korea to re-evaluate its defense capabilities, including the potential development of a nuclear ...