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

China firmly supports the purpose and objectives of the Comprehensive Nuclear-Test-Ban Treaty, and the US accusations that ...

State Department alleges China conducted nuclear test in 2020, reigniting debate over U.S. testing moratorium and ...

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

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

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

US intelligence agencies believe that China is developing a new generation of nuclear weapons and has conducted at least one covert explosive test in recent years as part of a broader push to ...

It remains to be seen whether the three big nuclear powers are headed into a new arms race, or whether President Trump is trying to spur negotiations on a new accord now that a last Cold War treaty ...

US claims China carried out a 2020 underground nuclear test at Lop Nur, urging Beijing and Moscow to engage in disarmament after New START expired.

A brand-new nuclear reactor is set to undergo testing at the Utah San Rafael Energy Lab in Orangeville, Utah. That's about ...

Jay Cowan still worries about the Rulison blast’s proximity to the Colorado River and expresses disbelief at the 107 days that radioactive gas was burned in order to test whether the radionuclides ...

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