The San Francisco Health Department is sounding the alarm over high levels of radioactive plutonium-239 (Pu-239) detected in the air in Hunters Point Naval Shipyard. Plutonium 239 is a radioactive ...

"If there were adults in the room and I could trust the federal government to impose the right standards, it wouldn't be such a great concern, but it just doesn't seem feasible." In one of his wildest ...

What we know so far: The United States is opening part of its Cold War – era plutonium stockpile to help reduce reliance on Russian uranium and speed development of next-generation nuclear reactors.

Russia's lower house of parliament on Wednesday (October 8, 2025) approved a move to withdraw from a landmark agreement with the United States aimed at reducing vast stockpiles of weapons-grade ...

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 plutonium left over from ...

Members of the Democratic Party are expressing doubt for the Department of Energy’s (DOE) alleged plan to give at least 20 metric tons of weapons-usable plutonium to the private sector for commercial ...

Plutonium has captured the attention of scientists since its discovery in the early 1940s. This enigmatic element has an important role to play in emerging energy technologies like nuclear batteries ...

WASHINGTON, Sept 10 (Reuters) - Democratic U.S. lawmakers on Wednesday urged President Donald Trump to cancel a plan to make surplus plutonium from Cold War-era atomic bombs available as a fuel for ...

The Trump Administration is proposing to make 20 metric tons of plutonium from dismantled nuclear warheads available to U.S. power firms for use in advanced nuclear reactors. This plan follows an ...

Last week U.S. District Judge Mary Lewis Geiger, South Carolina, faulted the Department of Energy and the National Nuclear Security Agency for ignoring the National Environmental Protection Act and ...

The UK government has announced that the country's stockpile of some 140 tonnes of civil plutonium - currently stored at the Sellafield site in Cumbria - will be immobilised and eventually disposed of ...