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

"We've halted many years ago, but with others doing testing I think it's appropriate to do so," the president told reporters aboard Air Force One. Experts say that the resumption of testing would be a ...

(Reuters) -U.S. President Donald Trump ordered the U.S. military on Thursday to immediately resume testing nuclear weapons after a gap of 33 years, minutes before beginning a meeting with Chinese ...

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 ...

America’s last nuclear detonation was nothing special. Smaller than the bomb that killed 73,000 people in Nagasaki, it exploded 1,397 feet below the Nevada desert. It shook the ground, created a ...

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 has called for the United States to test its nuclear weapons for the first time in three decades. But Trump’s statements about testing — in particular, whether other nations are ...

Oct 30 (Reuters) - U.S. President Donald Trump ordered the U.S. military on Thursday to immediately resume testing nuclear weapons after a gap of 33 years, minutes before beginning a meeting with ...