The U.S. government launched a new operation extracting rare materials from Cold War era nuclear waste that is likely to ...

Oklo Inc (NYSE:OKLO) shares are trending Wednesday morning after the company announced ongoing fast-spectrum reactor experiments at a U.S. Department of Energy site. Here's what investors need to know ...

A portion of "problematic plutonium" has safely been processed into a stable waste form in a UK first, a nuclear disposal group has said. The UK's Nuclear Decommissioning Authority (NDA) said the can ...

Oklo Inc. (NYSE: OKLO) (Oklo), an advanced nuclear technology company, today announced it has been conducting a multi-day plutonium fast reactor critical test suite with Los Alamos National Laboratory ...

A plan to dilute and dispose of excess plutonium dating back to the Cold War was frozen by an executive order President Donald Trump issued late last month. Instead, the order directs Energy Secretary ...

Sometime in 2018, a cache of defense plutonium was clandestinely shipped from the Savannah River Site south of Aiken to the Nevada National Security Site, an installation near Las Vegas that has for ...

A team of scientists has discovered a new, stable form of plutonium – and done so by accident. The famously unstable element is tricky to transport, store and dispose of, but the find could lead to ...

The U.S. Department of Energy says it will pay South Carolina $600 million for the government’s failure to remove bomb-grade plutonium from a nuclear weapons complex that was stuck with the material ...