A plan to dilute and dispose of excess plutonium dating back to the Cold War was frozen by an executive order President Donald Trump issued late last month. Instead, the order directs Energy Secretary ...

South Carolina’s federal nuclear site is part of a plan to replace the plutonium cores of bombs in the country’s nuclear arsenal. But now the federal government is taking a ...

A newly released report from the Union of Concerned Scientists argues for reusing existing nuclear weapon cores from ...

The consequences of DOGE's disruptions at the National Nuclear Security Administration could be far-reaching, experts say.

DOE's Los Alamos National Lab in northern New Mexico is in a rushed program to increase plutonium pit program for new nuclear warheads, beginning with the pit for the Sentinel missile, a new first ...

Salmon says once the TBM finishes its journey it will arrive at a receiving pit 10 to 15m under the sea. “The TBM will be lifted out by a team of divers who will unbolt it from the carrier pipe in the ...

Newly designed plutonium pits will serve as “triggers” for the next generation of nuclear warheads mounted atop Sentinel, the next generation of intercontinental ballistic missile, and for new ...

Photo ©High Flyer, 2020. Los Alamos National Lab is engaged in a rushed program to increase plutonium pit production for new nuclear weapons. Diagram of nuclear warhead, with plutonium pit.

For the first time in 35 years, the US National Nuclear Security Administration (NNSA) has manufactured a plutonium pit for use in a nuclear weapon. Functioning as a radioactive core for nuclear ...

Two conflicting developments arose this month in US efforts to produce new plutonium pits for its nuclear weapons: The National Nuclear Security Administration (NNSA) announced it had produced a ...

Los Alamos National Laboratory has successfully manufactured the first approved plutonium pit as part of an effort to modernize the nation’s nuclear weapons arsenal. The National Nuclear ...

“Cleanup at Los Alamos is long delayed,” Coghlan said, adding that annual spending for the plutonium pit work has neared $2 billion in recent years while the cleanup budget for legacy waste is ...