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 ...

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

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

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.

President Donald Trump wrote on Truth Social, his social media site, that he had instructed the Department of War (formerly the Defense Department) to return to “nuclear testing” — although it’s ...

(Bloomberg) -- US President Donald Trump has said he’s instructed the Defense Department to start testing nuclear weapons “on an equal basis” with rivals such as Russia and China. It’s unclear whether ...

Donald Trump has trampled on another taboo, and it’s a good thing. The president said in a Truth Social post that the United States will begin “immediately” testing our “Nuclear Weapons” on “an equal ...

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

Nevadans should not expect to see mushroom clouds in the desert after President Donald Trump’s message that he wants to see nuclear testing resume immediately. “No worries about that,” said Chris ...

Yet January 14th marked the longest period humankind has gone without one or another part of the whole exploding one of these ...