A person reflects in the window of the U.S. Department of Energy, with the official portrait of U.S. President Donald Trump on the wall, following a partial government shutdown in Washington, D.C., ...

Oklo and LANL have conducted first plutonium fast reactor tests at NCERC, validating surplus fuel for advanced reactors like ...

A fragment of plutonium sits in the University of California-Berkeley Hazardous Material Facility, locked in 6-foot-by-6-foot windowless room. It's been hanging around Berkeley for decades, like some ...

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 ...

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 ...

Plutonium, a radioactive element, is produced when uranium, another radioactive element, absorbs neutrons, and most of it is artificially produced, except for a small amount found in uranium ore.

Among the Biden administration’s nuclear challenges are ongoing civilian plutonium programs in China and Japan. Also, South Korea’s nuclear-energy research and development establishment has been ...

A chemistry professor created a plutonium compound that behaves much more like lighter elements, giving scientists new information about how this element works. Plutonium has long been part of many ...

In 1977, the Voyager 1 spacecraft left Earth on a five-year mission to explore Jupiter and Saturn. Thirty-six years later, the car-size probe is still exploring, still sending its findings home. It ...

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 ...