A concrete dome built nearly five decades ago to contain radioactive waste from U.S. nuclear weapons testing in the Marshall ...

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 ...

A quarter of North Korean defectors from regions near the northeastern Punggye-ri nuclear test site have shown chromosome ...

A 4.3 magnitude earthquake in Iran’s Gerash region has ignited global speculation amid escalating U.S.-Israel strikes on Tehran. While officials report no major damage and experts say the tremor ...

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 ...

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 ...

America’s last nuclear detonation was nothing special. Smaller than the bomb that killed 73,000 people in Nagasaki, it exploded 1,397 feet below the Nevada desert. It shook the ground, created a ...

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 ...

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 ...