A U.S. official focusing on arms control has provided what he called new, declassified details of a Chinese underground ...

Add Yahoo as a preferred source to see more of our stories on Google. Senior Russian officials on Nov. 11 said they were still waiting for a White House explanation about what President Donald Trump ...

The State Department’s allegation that China conducted a yield-producing nuclear test in 2020 is reigniting debate in Washington over whether the United States can continue its decades-long moratorium ...

Russia is assessing how to carry out possible nuclear tests, the Kremlin said on Sunday, after President Vladimir Putin ordered the country’s experts to draw up proposals for what could be the first ...

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

After a 4.3 magnitude earthquake hit Khonj, speculation of a secret Iranian nuclear test erupted. We break down the seismic signatures, enrichment levels, and expert analysis to determine if Tehran ...

The outbreak of earthquake swarms near the nuclear testing site has come at a time when the US launches a massive bombing ...

WEST PALM BEACH, Fla. (AP) — New tests of the U.S. nuclear weapons system ordered up by President Donald Trump will not include nuclear explosions, Energy Secretary Chris Wright said Sunday. It was ...

Secretary of War Pete Hegseth’s recent announcement that the U.S. will resume testing nuclear weapons has alarmed some nuclear-arms experts. It shouldn’t. President Trump had already announced earlier ...