The first light-water reactor at the new Russian nuclear facility, Kursk II, has now ...

MOSCOW (AP) — Russian and U.S. negotiators discussed the expiration of the last remaining nuclear arms pact between the two countries and agreed on the need to quickly launch new arms control talks, ...

MOSCOW -- Russian and U.S. negotiators discussed the expiration of the last remaining nuclear arms pact between the two countries and agreed on the need to quickly launch new arms control talks, the ...

A historic nuclear arms reduction treaty is set to expire Thursday, which will thrust the world into a nuclear situation it has not faced in more than five decades, one in which there are no longer ...

GENEVA (AP) — A U.S. official focusing on arms control on Monday provided what he called new, declassified details of a Chinese underground nuclear test nearly six years ago and urged countries to ...

President Vladimir Putin said Russia has no plans to violate existing agreements on nuclear testing, but signaled that he’s ready to order them if Donald Trump moves forward with threatened US atomic ...

The 1996 Comprehensive Nuclear Test Ban Treaty (CTBT) has not yet entered into force due to the failure of eight key states, including the United States and China, to ratify it and Russia’s decision ...

Last year, President Donald Trump shocked many people when he instructed the government to resume nuclear testing “on an ...