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 ...

The United States said Tuesday that Russia was not complying with New START, the last remaining arms control treaty between ...

Russia's deputy foreign minister Sergei Ryabkov said on Monday that he discussed the New START nuclear arms control treaty with new United States ambassador Lynne Tracy last week, the Interfax news ...

Washington says Moscow is not complying with the pact as tensions soar over Russia's war in Ukraine. The treaty, which in its ...

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

The meeting will focus on the creation of a safety zone around Ukraine's Zaporizhzhia nuclear power plant, he said, adding that Moscow was counting on a deep and professional discussion. The IAEA - ...

Russia wants to sit down with Pentagon officials for “open and specific” talks on alleged violations of the Intermediate-Range Nuclear Forces treaty, the Russian Defense Ministry said Saturday.

Russia's refusal to allow on-the-ground inspections to resume is endangering the New START nuclear treaty and U.S.-Russian arms control overall, the Biden administration charged on Tuesday.

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.

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

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, ...

The Nuclear Non-Proliferation Treaty, which has served as the norm for promoting nuclear disarmament and preventing ... Only five countries--the United States, Russia, Britain, France and China ...