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

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

President Donald Trump has ignited a firestorm of controversy and confusion with his announcement that the United States will begin nuclear weapons testing. It's unclear whether he was referring to ...

Add Yahoo as a preferred source to see more of our stories on Google. Donald Trump’s command for the United States to resume nuclear weapons testing will not include explosive tests, for now, ...

WASHINGTON — Democratic senators representing states that bore the brunt of the fallout from explosive nuclear weapons testing are seeking to pass legislation that would bar President Donald Trump ...

Erin D. Dumbacher is Stanton nuclear security senior fellow at the Council on Foreign Relations. President Donald Trump this week posted on social media that he had ordered the immediate resumption of ...

Nov. 6 (UPI) --President Donald Trump's calls to ramp up nuclear weapons testing last week have put nuclear watchdogs and world leaders on alert while experts say the United States has little to gain.

WASHINGTON, Nov 25 (Reuters) - Democratic U.S. Senator Edward Markey on Tuesday urged President Donald Trump not to resume explosive nuclear weapons testing, saying that doing so could spur rival ...

The United States already periodically tests nuclear weapons delivery systems, such as during the February 2020 launch of a Minuteman III missile - Copyright US AIR ...