The United States is “immediately” restarting nuclear weapons testing, President Donald Trump has said. “Because of other countries’ testing programs, I have instructed the Department of War to start ...

President Donald Trump wrote on Truth Social, his social media site, that he had instructed the Department of War (formerly the Defense Department) to return to “nuclear testing” — although it’s ...

The U.S. military will launch an unarmed nuclear missile across the Pacific Ocean overnight Nov. 4, in a pre-planned firing that marks the Pentagon's first weapons test since President Donald Trump ...

Erin D. Dumbacher is Stanton nuclear security senior fellow at the Council on Foreign Relations. President Donald Trump this week posted on social media that he had ordered the immediate resumption of ...

Such tests would be in defiant violation of United Nations sanctions that were recently strengthened with the backing of China, North Korea's chief ally. North Korean leader Kim Jong Un said his ...