The federal oversight office at Y-12 National Security Complex in Oak Ridge has lost four employees amid Trump's cuts, ...

Scientists have been building nuclear weapons for more than 80 years, but crafting this technology remains a challenge.

By Timothy Gardner, David Brunnstrom and Ju-min Park WASHINGTON/SEOUL (Reuters) - The U.S. Department of Energy has ...

Ukraine surrendered its Soviet-era nuclear stockpile more than three decades ago and experts have questioned whether Kyiv ...

The nuclear shadow has precluded large-scale war between nuclear states. A fear of mutual destruction helped keep the Cold ...

Poland’s President Andrzej Duda has again called on the United States to deploy nuclear weapons to Poland as a deterrent to ...

South Korea's foreign minister told the country's legislature Wednesday that developing nuclear weapons is not off the table ...

U.S. Vice Presiednt JD Vance said on Thursday he would be shocked if President Donald Trump wanted nuclear weapons extending ...

It's the latest indication that the frontline NATO nation is increasingly considering nuclear protection as fears of Russia ...

Expanding the nuclear-sharing program to Warsaw would send a clear message to Putin: any attack on Poland would be a ...

Firings and buyouts hit the top-secret National Nuclear Security Administration amid a major effort to upgrade America’s ...

North Korea's Foreign Ministry said that its "nuclear armed forces will exist forever as a powerful means of justice," ...