Some NPT members have been suspected of breaking the rules, but none have successfully built nuclear weapons—except for those ...

North Korea said its "accelerated bolstering up" is a "realistic requirement for coping with the military threat of the US".

Are deep cuts in federal spending and thoughtful cuts both possible? Our Editorial Board Roundtable offers some thoughts.

The torches illuminating the sub-zero night in Oslo, Norway, were dreamlike. With every step, the procession became larger.

Historians often suggest that America’s super-weapon forced Hirohito to surrender in 1945. Look closer, and the truth is more ...

Sandia National Laboratories will produce spare components until 2026, which it targets for the final closeout activities, while the National Nuclear ...

Prime Minister told to act as UK’s nuclear deterrent suffers ‘embarrassing’ decade-long series of botched practice firings ...

When did it become cool to cozy up to the Russians? Answer:  Never – since the time Russia pointed thousands of nuclear ...

Just because federal workers at Y-12 were offered their jobs back doesn't mean the Trump administration is done shaking up ...

Also released was $397 million for a US-backed program in nuclear-armed Pakistan that a congressional aide said monitored Islamabad's use of US-made F-16 fighter jets to ensure they are employed for ...

As U.S. allies fear President Trump may begin to cut age-old ties, South Korea reconsiders becoming a nuclear power.

The US Space Force faces "systemic issues" that threaten its long-term chances of success against China, a report argues.