The Hanford Nuclear Reservation in Washington state produced plutonium for most of America's nuclear arsenal through the end ...

The termination of the PMDA means that the 34 tons of plutonium Russia had pledged to render unusable for weapons could now be reclassified as part of its strategic reserves. The State Duma’s official ...

Industry and administration officials also plan to recycle into reactor fuel plutonium retrieved from dismantled ... helping a renegade nation build an atomic bomb. Even as some prominent nuclear ...

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 atom ...

SEATTLE — For much of the 20th century, a sprawling complex in the desert of southeastern Washington state turned out most of the plutonium used in the nation’s nuclear arsenal, from the first atomic ...