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 ...

Talks between Moscow and Washington on resuming inspections under the New START nuclear arms reduction treaty were due to take place in November in Egypt, but Russia postponed them and neither side ...

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 ...

Gottemoeller had been involved in nuclear disarmament talks with Russia. She said that mutual predictability between the United States and China will be necessary. But she added that it is ...

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 ...

Russia and Iran each have recently warned about the dangers of not reviving nuclear talks with Iran ... role of a mediator between Iran and the United States, but it is not known whether the ...

Risks to non-proliferation were dealt a blow as talks ... Nuclear Weapon-Free Zone. Meanwhile, Russia has backtracked somewhat from its nuclear threats, avoiding further escalation and affording ...

an effort to harness the power of nuclear fusion to unleash vast amounts of clean energy — continues to purr along with the participation of Russian scientists and Russian technology. Earlier this ...

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 ...

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 ...

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 five cyber ...