Moscow reiterates willingness to adhere to expired nuclear weapons treaty, "as long as the United States does not exceed the ...

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

The United States on Friday accused China of carrying out a secret nuclear test in 2020 as the Trump administration calls for ...

Warning at an appearance in Las Vegas that the world is “less safe” without a binding nuclear pact, two key House Democrats ...

The U.S.' top arms control official confirmed a Chinese nuclear test first suspected in 2020.

The US accused China of secret nuclear tests, banned under international agreement, that were building toward tests of larger ...

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 ...

The new U.S. accusations about China's nuclear weapons development come at a very turbulent moment for nuclear arms control globally.

China expressed opposition on Wednesday to the United States over fabricating excuses for its own attempt to resume nuclear ...

The Pentagon is drawing new authority lines along the border, keeping the C-17 fleet flying into the 2070s while pushing more ...

The core question, Chinese analysts argue, is not whether a test had occurred, but why the US is reviving a six-year-old allegation now.