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 ...

A: The experiment floated radioactive samples on a gas stream, then hit the sample with lasers at high temperatures. B: Initially, plutonium oxide samples were matte grey but they changed to shiny ...

Some outside experts are particularly concerned about high levels of plutonium in one of the damaged Japanese reactors. About 6 percent of the fuel rods in reactor No. 3 at the Fukushima Dai-ichi ...

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., ...

To accelerate waste cleanup at the Hanford site, DOE awarded Argonne $3.9 million to pursue scientific breakthroughs in plutonium chemistry DOE/Argonne National Laboratory Argonne researchers are ...

The UK's Nuclear Decommissioning Authority has processed its first can of plutonium residue into stable waste at Sellafield.

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 ...

The first batch of 56 mixed uranium-plutonium oxide (MOX) fuel assemblies has been shipped to Beloyarsk 4 as Russia's first-of-a-kind BN-800 fast reactor prepares to start up. The first batch of 56 ...

As of this past Labor Day, there are strong indications that future workers at the planned, new Savannah River Plutonium Processing Plant (SRPPF) may face unnecessary, increased risks of exposure to ...

The BN-800 sodium-cooled fast reactor at unit 4 of Russia’s Beloyarsk NPP has registered a year of reliable and safe operation using an almost full load of uranium-plutonium mixed oxide (MOX) fuel.

This story was first published on Searchlight New Mexico. In a windowless corridor of PF-4, the Los Alamos National Laboratory’s plutonium processing facility, the deputy director of weapons stood ...