Weapons-grade plutonium can fuel nuclear reactors known as mixed oxide reactors, but none of these exist in the U.S.

Iran insists on retaining its enriched uranium stockpile as a red line, while the Trump administration reportedly seeks its removal or destruction.

Iran’s nearly 970-pound stockpile of uranium enriched to 60% purity has emerged as the biggest unresolved issue in ongoing US-Iran negotiations, with Washington insisting it must be removed or ...

Companies say it’s a better way to dispose of the Cold War-era material — and fix a shortage of nuclear fuel. But the plan ...

This means that Iran's nuclear enrichment sites must be dismantled, and any enriched nuclear material removed from its ...

Satellite images reviewed by Reuters show Beijing is building a sprawling web of launch pads, bunkers and communications nodes near the isolated nuclear silos that hold the military’s longest-range ...

The Energy Department has selected five companies for advanced negotiations to use weapons-grade plutonium for fuel.

As global tensions tighten, Americans are increasingly concerned about the threat of nuclear war. In addition to supporting ...

By Greg Torode and Jun Yuan Yong SINGAPORE, May 28 (Reuters) - A conflict between the U.S. and China over Taiwan would risk a ...

Norway will open talks with France on boosting cooperation around French ‌nuclear deterrence activities, President Emmanuel ...

PARIS/OSLO, May 27 () - Norway will open talks with France on joining its nuclear umbrella, French President Emmanuel Macron ...

In a remote Chinese desert, a vast military complex is taking shape that some security scholars say appears built to ensure no US first strike on China’s nuclear arsenal could reliably knock out ...