Plutonium — a key ingredient in nuclear weapons — is present in the fuel at the complex, which has been leaking radiation for over two weeks, so experts had expected some to be found once ...

The United States and Russia sign an agreement to turn tons of weapons-grade plutonium into fuel for nuclear reactors. Critics call the pact "dangerous." From the Environment News Service.

A soil sample with an elevated level of plutonium taken along the eastern edge of Rocky Flats National Wildlife Refuge is more than five times the cleanup standard established for the radioactive ...

W A S H I N G T O N, Sept. 09 -- The United States and Russia signed anagreement Friday to begin disposing of 34 tons of weapons-gradeplutonium each—enough for thousands of nuclear weapons. Vice ...

There is no sign North Korea reprocessed spent fuel from its main nuclear reactor into plutonium in the past year, but it seems to have continued to enrich uranium, the other potential fuel for ...

This block of plutonium appears to be glowing like a hot coal. Not a good sign! The glow is due to a property called pyrophoricity. A pyrophoric material ...

As it was said (and sang) in 1979, plutonium is forever…with thousands of years of radioactivity from nuclear fission (especially plutonium 239). Jeff Bezos—proving again that he is not ...

Crime Mass. man indicted on explosives charges, allegedly had plutonium and other hazardous substances in his home The Hadley man was indicted for possessing ammunition and explosive materials ...

At Los Alamos’s Plutonium Facility, in a building called PF-4, the U.S. plans to produce new plutonium pits for a renewed nuclear weapons program. Credit: Los Alamos National Laboratory ...

Plutonium is the 94th element in the periodic table and one of the most dangerous elements on Earth. Here we explore Plutonium in more detail.