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

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

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

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 ...

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

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 ...

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 ...

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 ...

Now there’s almost no chance Russia or China ... Kim has ignored US attempts to return to nuclear disarmament talks and brought along his daughter for her state media debut to attend the ...

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.

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 ...