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 ...

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

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

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

DUBAI, United Arab Emirates — President Donald Trump’s comments Thursday suggesting the United States will restart its testing of nuclear weapons upends decades of American policy in regards to the ...

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 ...

Scientists at Los Alamos National Laboratory say neutrinos could be used as a diagnostic ...

President Trump said on Thursday that the U.S. would begin testing nuclear weapons again for the first time in decades. “We’ve halted many years ago, but with others doing testing I think it’s ...

President Donald 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 ...

C ould nuclear bombs be harnessed to help people? As the Cold War raged on in the 1950s, scientists building nuclear weapons began to ponder whether they could be put toward posit ...