US intelligence agencies believe that China is developing a new generation of nuclear weapons and has conducted at least one ...

Officials have ruled out earthquakes or mining as the source of a 2.75-magnitude event in 2020 near China's nuclear test site ...

If nothing replaces the New START nuclear arms treaty, security analysts see a more dangerous environment with a higher risk ...

The Kremlin said on Wednesday that neither China nor Russia havecarried out secret nuclear tests, noting Beijing had denied U ...

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

Satellite imagery of secretive nuclear facilities reveals Beijing’s efforts to expand its arsenal, just as the last global ...

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.

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

With the 09IIIB class and future 09V class, China’s development of nuclear-powered (and nuclear capable) submarines is at an ...

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

Arms-control reports by the US state department finds mounting evidence that Beijing is expanding its weapons stockpile ...

China is on course to have more than 1,000 nuclear warheads in the next few years, according to U.S. intelligence estimates.