Russia’s refusal to allow the US to inspect its nuclear arsenal could reignite pressure for the US to develop new nuclear ...

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 ...

The United States said that Russia was not complying with New START, the last remaining arms control treaty between the world's two main nuclear powers ...

Russia's refusal to allow on-the-ground inspections to resume is endangering the New START nuclear treaty and U.S.-Russian ...

"Russia's refusal to facilitate inspection activities prevents the United States from exercising important rights under the ...

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.

(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 US has previously warned Russia against using nuclear weapons in Ukraine, both through private direct communications, as well as public channels, including at last year’s UN General Assembly.

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.

an effort to harness the power of nuclear fusion to unleash vast amounts of clean energy — continues to purr along with the participation of Russian scientists and Russian technology. Earlier this ...

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 ...