The United States has revealed new details about a Chinese underground nuclear test that it claims happened nearly six years ...

A U.S. official focusing on arms control has provided what he called new, declassified details of a Chinese underground ...

The United States federal government is channeling billions of dollars into keeping existing nuclear plants running, restarting shuttered reactors, and clearing the regulatory path for advanced ...

A US official says a seismic station in Kazakhstan collected evidence of an alleged China nuclear test at Lop Nur in June 2020.

So long as it doesn't ratify the Comprehensive Nuclear Test Ban Treaty, the United States won't be able to seek short-notice, on-site inspections to deter and detect possible Chinese and Russian ...

Assistant U.S. Secretary of State Christopher Yeo said at an event at the Hudson Institute think tank that a remote seismic station in Kazakhstan detected a 2.75-magnitude "explosion". It occurred on ...

China has opposed the ‘smearing of its nuclear policy’ while insisting Beijing would not ‘engage in any nuclear arms race’ ...

At a event in Washington D.C., A U.S. official said a remote earthquake in 2020 was caused by a Chinese nuclear test.

The allegations were leveled by U.S. officials late last week. Arms control experts worry that norms against nuclear testing are unraveling.

The United States on Friday accused China of carrying out a secret nuclear test in 2020 as the Trump administration calls for a broader nuclear weapons agreement including both China and Russia. The ...

From Trinity’s fallout to a New Mexico school underground, “Nuclear Family” traces how the bomb reshaped one family and a ...