The US says Russia is violating the New START treaty, the last remaining nuclear arms agreement between the two countries, by not allowing American inspectors into Russian nuclear weapons facilities.

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.

The United States said on Tuesday that Russia is not complying with its obligation under the New START nuclear arms treaty to allow inspection activities on its territory. In a statement, a State ...

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

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

Russia’s refusal to engage with the U.S. on resuming nuclear arms inspections has taken another worrying turn, with the State ...

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 ...

Risks to non-proliferation were dealt a blow as talks ... Nuclear Weapon-Free Zone. Meanwhile, Russia has backtracked somewhat from its nuclear threats, avoiding further escalation and affording ...

Gottemoeller had been involved in nuclear disarmament talks with Russia. She said that mutual predictability between the United States and China will be necessary. But she added that it is ...

the Russian Foreign Ministry statement on Monday said that the talks between the foreign ministers of Russia and Iran were postponed after both diplomats agreed. According to the Russian news agency, ...