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 said on Monday that no new date had been set for talks with the United States on the New START nuclear arms treaty, accusing the U.S. of ramping up tensions between the two sides. Talks between ...

Russia's Deputy Foreign Minister Sergei Ryabkov sits in a car after talks with U.S. Under Secretary of State Victoria Nuland ...

Russia had invested heavily in the 750-mile undersea pipeline linking it to Germany and wanted to increase global sales and ...

NATO bids and weapons deliveries have been complicated by diverging national interests, but the alliance is still unifying to ...

Fighting is fierce in eastern Ukraine, where towns face constant Russian bombardment and troops battle Wagner mercenaries ...

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 ...

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 ...

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 ...

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 ...