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 ...

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

The United States accused China of carrying out secret nuclear explosive tests in breach of an international ban.

A U.S. official suggested in recent comments that Beijing conducted a test back in the summer of 2020. So why is the Trump ...

China has been accused of carrying out secret nuclear testing in 2020 by the ...

(Reuters) -U.S. President Donald Trump ordered the U.S. military on Thursday to immediately resume testing nuclear weapons after a gap of 33 years, minutes before beginning a meeting with Chinese ...

It remains to be seen whether the three big nuclear powers are headed into a new arms race, or whether President Trump is ...

A top arms diplomat at the State Department recently laid out what might come next as Washington upends decades of federal policies on nuclear proliferation.

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

President Trump's comments Thursday suggesting the United States will restart its testing of nuclear weapons upends decades of American policy in regards to the bomb, but come as Washington's rivals ...

This is read by an automated voice. Please report any issues or inconsistencies here. Trump says U.S. will restart nuclear testing, reversing decades of policy since the last test in 1992. Russia, ...