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 arms ...

The State Department has informed Congress that Russia is no longer meeting obligations set by the only nuclear arms control ...

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

By Michael Callahan, Jennifer Hansler, Haley Britzky and Kylie Atwood, CNN Russia is violating a key nuclear arms control agreement with the United States and continuing to refuse to allow inspections ...

President Vladimir Putin's defense minister Sergei Shoigu told top generals on Tuesday that Russia will continue to develop its nuclear inventory, as part of a promise to build a stronger military.

God is with us,” he concluded ... the United Kingdom, Russia, China, and France—to possess nuclear weapons. But it also requires those five to pursue full nuclear disarmament.

The U.S. General said Russia will likely launch nuclear warheads if Ukraine threatens to retake Crimea Brig. Gen. Ryan said a Russian nuclear strike would cause tens of thousands of deaths Russia ...

In its October 27 National Defense Strategy paper, the Pentagon presented a dire situation in the nuclear balance between the US and Russia. "Russia continues to emphasize nuclear weapons in its ...

Concerns over the use of nuclear weapons and ... START treaty between the U.S. and Russia, but that hope is under threat as the first round of talks is postponed. Yet despite their differences ...

who also was the former US military attache to Russia, told Insider, with the goal of not only taking out Ukrainian troops but also forcing Kyiv into surrendering to avoid a nuclear holocaust ...

as the U.N. continues to encourage nuclear disarmament among the nine nations known to have nuclear weapons. China, France, Russia, United Kingdom and the United States are officially recognized ...

According to the Sputnik news agency, 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.