The skin of two workers in Los Alamos National Laboratory’s plutonium facility were contaminated in late November, according ...

Update: An earlier version of this story incorrectly stated processed residue could be disposed of in Sellafield's geological ...

The United States is preparing to mine a rare nuclear resource from some of its most dangerous Cold War legacies, turning ...

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 ...

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 ...

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 ...

It appears that the U.S.'s plutonium-238 shortage is coming an end. The radioisotope is crucial for fueling long-term deep space missions, but as of 2017, a shortage was on the horizon. But ...

Scientists have discovered a new solid and stable plutonium compound that could have uses in nuclear waste storage. Using the European Synchrotron Radiation Facility, the team —led by a cohort from ...