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 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 ...

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 ...

“Nuclear weapons make us vulnerable to dictators ... almost all of which are held by the U.S. or Russia. But, Fihn says, “the goalposts for disarmament just keep moving.” ...

Forgetting the site where Russia became a nuclear power comes with its own ... and weaponized corruption in Europe and the United States had given rise to the idea that even a major country ...

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 ...

A group of Russian hackers attempted to attack three US nuclear research laboratories in the summer of 2022, a Reuters investigation has revealed. As Putin threatened the use of nuclear weapons in ...

Russian hackers have reportedly targeted three nuclear research laboratories in the US. A group called Cold River carried out a phishing campaign against scientists at the Brookhaven, Argonne and ...

North Korea’s spike in missile testing and development of its nuclear program has prompted South Korea to re-evaluate its defense capabilities, including the potential development of a nuclear ...

WASHINGTON — A Russian hacking team known as Cold River targeted three nuclear research laboratories in the United States this past summer, according to internet records reviewed by Reuters and ...