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.

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 ...

Karen Silkwood was either a martyr among whistleblowers and nuclear safety activists, or, if you believe her employer’s account, a lunatic who smeared plutonium on the bologna in her fridge. As a lab ...

Plutonium can be used to make nuclear bombs. But it can also be recycled and used as a fuel in nuclear reactors. According to the authors of a Nature editorial, the UK—which has the largest civilian ...

The U.S. Department of Energy says it will pay South Carolina $600 million for the government’s failure to remove bomb-grade plutonium from a nuclear weapons complex that was stuck with the material ...

WASHINGTON -- Sitting in a cold conference room, Siegfried Hecker was asked by his North Korean hosts if he would like to see their "product." "Yes," Dr. Hecker replied. "Do you mean plutonium?" ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Scientists say plutonium may be the worst of all the fission byproducts that could enter the ...