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

A portion of "problematic plutonium" has safely been processed into a stable waste form in a UK first, a nuclear disposal ...

Japan’s leading power companies decided to transfer ownership of tons of plutonium stored in Britain and France for reprocessing in a quest to reduce the stockpile as quickly as possible. The plan was ...

The two lawmakers questioned the necessity of the nuclear weapons agency's plutonium pit strategy in a letter exclusively ...

Oklo Inc. (NYSE: OKLO) (Oklo), an advanced nuclear technology company, today announced it has been conducting a multi-day ...

Oklo Inc (NYSE:OKLO) shares are trending Wednesday morning after the company announced ongoing fast-spectrum reactor ...

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 Nuclear Nonproliferation Treaty (NPT), whose tenth review conference is coming up in August, is in trouble, and not only because of the crescendo of complaints about the failure of 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 ...

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 ...

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 ...