Add Yahoo as a preferred source to see more of our stories on Google. U.S. President Donald Trump with Chinese President Xi Jinping. China's nuclear expansion is on a trajectory to soon rival ...

GENEVA, Feb 6 (Reuters) - The United States accused Beijing on Friday of conducting a secret nuclear test in 2020 as it called for a new, broader arms control treaty that would bring in China as well ...

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 ...

A senior State Department official on Tuesday said the U.S. still is assessing how to implement President Donald Trump's ...

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 ...

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 ...

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

The United States has accused China of conducting a covert nuclear explosive test in 2020, a charge that lands at a moment when the last major arms control agreements are fraying. The allegation, ...

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 ...

Email notifications are only sent once a day, and only if there are new matching items. It might not have as reverent a name as the Trinity Test or a litany of films made about it. But Project Gnome, ...