To help achieve “American nuclear dominance,” Los Alamos National Laboratory may be expected to produce at least 60 plutonium pits per year — double the previously set minimum. It’s not exactly clear ...

A byproduct of aging nuclear weapons stockpiles could help power spacecraft on missions lasting decades. Americium-241, an ...

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From the outside, it looks almost too unassuming: a perfect concrete disk, 377 feet (115) meters) wide, rising from the white sand. Locals from the Marshall Islands call it “The Tomb.” In fact, it’s a ...

The UK's Nuclear Decommissioning Authority announced it has succeeded in safely processing a can of plutonium residue into a stable waste form for the first time, marking a significant step toward ...

The Hanford Tank Waste Treatment and Immobilization Plant was built to turn that nuclear waste into glass; it started operating in October 2025. The history of the Hanford Site and the way the stored ...

Plutonium (Pu) exhibits one of the most diverse and complex chemistries of any element in the periodic table. Since its discovery in 1940, scientists have synthesized and studied many different types ...

Recent attempts by right-wing forces in Japan to revise the Japanese government's long-standing Three Non-Nuclear Principles have triggered alarm and warrant close scrutiny. A joint report by China ...