The world passed a nuclear milestone this week. And, perhaps surprisingly given the recent run of saber-rattling from the likes of Russia and the United States, it’s a positive one.

Nuclear weapons haven’t been tested in the United States since 1992. Find out why, and what could happen if the hiatus ends.

This op-ed's authors argue that the president's nuclear testing comments were correct, considering America's aging arsenal ...

Resuming full testing of nuclear weapons — as President Donald Trump called for last week — would be unnecessary, costly, undermine nonproliferation efforts, and empower the nation’s adversaries to ...

President Donald Trump has announced the US will start testing nuclear weapons in what could be a radical shift in his nation's policy. "Because of other countries testing programs, I have instructed ...

Nuclear weapons tests are among the most violent events humans can trigger, and that violence leaves fingerprints in the ...

President Trump's comments about restarting weapons tests are not likely to lead to mushroom-cloud explosions over the New Mexico desert or seismic shaking underground in Nevada, according to the ...

President Donald Trump’s announcement that the United States will resume nuclear weapons testing for the first time in more than three decades has sent shockwaves through both Washington and world ...

DUBAI, United Arab Emirates (AP) — 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 ...

WEST PALM BEACH, Fla. (AP) — New tests of the U.S. nuclear weapons system ordered up by President Donald Trump will not include nuclear explosions, Energy Secretary Chris Wright said Sunday. It was ...

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 ...