Decades after the Cold War ended, U.S. defense planners concluded that deploying massive megaton-yield gravity bombs over ...

In recent years, Pyongyang has tested a range of increasingly advanced weapons, including solid-fueled missiles, highly ...

It has been 33 years since an explosive US nuclear weapons test. But, on Wednesday, US President Donald Trump appeared to give the order to reinstate them "immediately". A post from the president on ...

VIENNA -- In the wake of U.S. President Donald Trump’s suggestion earlier this year that the U.S. would resume nuclear ...

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 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 ...

Minutes before walking into a high-stakes meeting with Chinese President Xi Jinping this past week, President Donald Trump announced what could prove to be a stunning shift in American nuclear policy.

President Donald Trump Thursday sowed confusion among experts with his call for the start of nuclear weapons testing, with some pundits interpreting the announcement as US preparations for a shock ...

Kim Jong Un pledges "unlimited" nuclear development as North Korea test-fires new cruise missiles designed to carry nuclear ...

Donald Trump’s command for the United States to resume nuclear weapons testing will not include explosive tests, for now, according to Energy Secretary Chris Wright. Wright, whose agency oversees the ...

Clarity is key on most issues relating to nuclear weapons, and testing them is no exception. America’s adversaries are carrying out low-level nuclear tests and gaining an advantage over the United ...

Energy Secretary Chris Wright revealed the U.S. will not be testing nuclear explosions, putting to rest questions over whether the Trump administration would reverse a decades-old taboo. Testing will ...