Top U.S. nuclear official accuses China of conducting a secret nuclear test in 2020 and confirms plans to restart U.S.

The last major nuclear arms control treaty between Russia and the United States expires on Thursday, ushering in an era ...

The New START treaty terminated Thursday, leaving no caps on the two largest atomic arsenals for the first time in more than ...

The U.S. on Friday called for a new, broader nuclear arms control treaty with China and Russia after it accused Beijing of ...

There are still strong incentives to negotiate reductions in nuclear arsenals between the United States, Russia, and China.

Analysts say the rare same-day calls on Wednesday (Feb 4) were a calculated move by Beijing to assert its centrality and ...

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

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.

The US accused China Friday of conducting a secret nuclear test in 2020 as it called for a new arms control treaty that would ...

The Kremlin said Russian and US negotiators agreed on the urgent need to launch new nuclear arms talks after New START ...

A quiet energy crisis is rapidly turning into a geopolitical showdown stretching from Washington to Mexico City and all the ...

The United States has accused China of conducting secret nuclear tests and expanding its arsenal, renewing calls for ...