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

The US Department of Energy has launched a new radiochemical separation process at the Savannah River National Laboratory to ...

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 ...

Nuclear weapons haven’t been tested in the United States since 1992. Find out why, and what could happen if the hiatus ends.

LIVERMORE, Calif. (KGO) -- In a notice of intent posted earlier this month, the Department of Energy and the National Nuclear Security Administration informing the public of their plan to increase the ...

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 ...

Plutonium can be used to make nuclear bombs. But it can also be recycled and used as a fuel in nuclear reactors. According to the authors of a Nature editorial, the UK—which has the largest civilian ...

No names. No pictures. No direct conversation. And don't touch the plutonium. Those were the ground rules before NPR was allowed a rare opportunity to see nuclear inspectors learning their craft. The ...

When NASA's next Mars rover blasts off later this month, the car-sized robot will carry with it nearly eight pounds of a special kind of plutonium fuel that's in short supply. NASA has relied on that ...