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 ...

President Donald Trump ordered the Department of War to resume testing nuclear weapons “on an equal basis” with Russia and China on Thursday, a practice halted by the U.S. in 1992. The announcement ...

Add Yahoo as a preferred source to see more of our stories on Google. Some believe Donald Trump has been engaging in nuclear sabre-rattling intended to intimidate China - Alex Brandon/AP The United ...

U.S. Energy Secretary Chris Wright said he expects U.S. nuclear-weapons testing sought by President Donald Trump to stop short of actual atomic bomb explosions for now. “I think the tests we’re ...

Read full article: Northeast Side undercover police operation not enough to solve neighborhood’s problems, local business owner says Bexar County Medical Examiner’s Office will determine the person’s ...

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 ...

Energy Secretary Chris Wright said Sunday that the Trump-ordered nuclear weapons tests will not involve explosions of any kind. “I think the tests we’re talking about right now are system tests,” ...

SEOUL, May 20 (Reuters) - North Korea said on Monday a recent subcritical nuclear test by the United States adds new tension to the international nuclear arms race and vowed to take measures necessary ...

Russian President Vladimir Putin on Wednesday ordered officials to prepare proposals for a possible resumption of nuclear weapons testing in response to comments from President Donald Trump suggesting ...