WASHINGTON – A half-metric ton of weapons-grade plutonium secretly shipped into Nevada has been removed four years early under federal court order and an agreement reached by U.S. Sen. Catherine ...

Workers in Los Alamos National Laboratory’s plutonium facility tracked contamination throughout a waste staging area, according to a Defense Nuclear Facilities Safety Board report this month, alarming ...

You can hold plutonium in your hand, but it has the potential to destroy entire cities. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Plutonium ...

LIVERMORE, Calif. (KGO) -- In a notice of intent posted earlier this month, the Department of Energy and the National Nuclear Security Administration informing the public of their plan to increase the ...

Crews at the Hanford site recently finished demolishing the tricky Plutonium Finishing Plant's main processing facility in southeastern Washington. But the demolition gave contractors some real ...

MOSCOW (Reuters) -Russia's lower house of parliament on Wednesday approved a move to withdraw from a landmark agreement with the United States aimed at reducing vast stockpiles of weapons-grade ...

A team of scientists has discovered a new, stable form of plutonium – and done so by accident. The famously unstable element is tricky to transport, store and dispose of, but the find could lead to ...