North Korean leader Kim Jong Un on Thursday unveiled a new facility to make nuclear fuel, describing it as a “historic” event in upgrading the country’s forces. The facility, at an undisclosed ...

A vast underground weapons factory was opened up last week by Austrian documentary-maker Andreas Sulzer and his team. The 75-acre complex drew Sulzer’s interest after he saw references to it in the ...

An expert tells TIME why the underground facility is at the center of much debate.

Add Yahoo as a preferred source to see more of our stories on Google. A nuclear bomb factory is being developed at the site of the old mixed oxide fuel plant on the Savannah River Site near Aiken, S.C ...

Other states were chosen over South Carolina as finalists for a jobs-rich federally supported nuclear lifecycle campus.

US intelligence agencies believe that China is developing a new generation of nuclear weapons and has conducted at least one covert explosive test in recent years as part of a broader push to ...

Add Yahoo as a preferred source to see more of our stories on Google. A view of the Israeli nuclear facility in the Negev desert outside Dimona, now called the Shimon Peres Negev Nuclear Research ...

On Feb. 5, New START, the last treaty limiting U.S. and Russian strategic nuclear arms, will expire — a dark milestone. But President Trump has an opportunity to put off such a nuclear competition and ...

New START limited the number of strategic nuclear weapons the United States and Russia could deploy to 1,550 each. It also limited the missiles and bombers those warheads were loaded on, required ...

Last year started with a glimmer of hope raised by some encouraging remarks that incoming US President Donald Trump made regarding denuclearization, the dangers of nuclear weapons, and efforts to halt ...

For decades, nuclear weapons have been treated as the ultimate arbiter of international politics. They were supposed to deter great-power war, impose caution on leaders, and anchor what strategists ...