The U.S. Department of Energy (DOE) has reportedly decided that weapon-grade plutonium from the Cold War-era stockpile could be turned into nuclear reactor fuel. The DOE will give American companies ...

Opinions differ on whether the half ton of weapons-grade plutonium secretly shipped by the U.S. government to the Nevada National Security Site could impact residents’ health and the environment.

(CNN) — Idaho State University has been fined after it lost track of a small amount of plutonium 239, a substance used to make nuclear weapons. University Officials say the sample, missing since 2003, ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. The discovery of nuclear fission in ...

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 ...

Public health advocates say the US Navy knew for almost a year that tests had detected dangerous levels of plutonium in the air at San Francisco’s Hunters Point Naval Shipyard. The Navy discovered the ...