The U.S. government is sitting on dozens of tons of weapons-grade plutonium. It's hoping startups can find a use for it.

The Trump administration is reportedly in talks with five companies to provide old plutonium to convert into fuel for future ...

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

For decades, the United States has struggled with what to do with surplus plutonium ...

For years, the federal government has been working on turning old, unexploded warheads left over from the Cold War into a ...

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 ...

By Timothy Gardner WASHINGTON, May 26 (Reuters) - The U.S. said on Tuesday it had chosen five companies, including Oklo, to enter advanced talks over potentially using its Cold War-era plutonium as a ...

The US is planning to distribute plutonium left over from Cold War-era weapons to commercial nuclear developers as part of ...

Oklo is one of five companies selected for advanced negotiations under the Energy Department’s Surplus Plutonium Utilization Program.