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

CHINA has been accused of a massive nuclear expansion as well as carrying out secret tests, as the United States bids to ...

US official Christopher Yeaw said 'Beijing is on track to have the fissile material necessary for more than 1,000 nuclear ...

A Trump administration official said that a remote seismic station in Kazakhstan measured an “explosion” in western China on ...

A US official has presented evidence of a secret Chinese nuclear test, raising tensions in global arms control discussions.

After the expiration in early February of the New START nuclear nonproliferation treaty, Washington claims that Beijing has ...

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

The United States positions military assets as Trump warns Iran of possible strikes, Israel expands air operations inside ...

While China is expanding its nuclear arsenal at a dramatic pace, Russia and the U.S. are also testing new delivery platforms.

WASHINGTON — The United States is ready to carry out low-yield nuclear tests to match alleged secret explosions by China and ...

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