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 ...

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 ...

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 ...

DOE and NRIC have established Nuclear Energy Launch Pad to speed up private sector development and testing of advanced nuclear technologies.

VIENNA (AP) — The United States and Russia have both recently threatened to resume nuclear testing, alarming the international community and jeopardizing a global norm against such tests. Experts say ...

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 ...

This transcript was prepared by a transcription service. This version may not be in its final form and may be updated. Speaker 1: From the opinion pages of the Wall Street Journal, this is Potomac ...

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 ...

Senior Russian officials on Nov. 11 said they were still waiting for a White House explanation about what President Donald Trump meant he when said he had instructed the Pentagon to resume nuclear ...