Acid Canyon — located in the heart of Los Alamos, where the world’s first atomic bombs were developed — has “extreme concentrations” of plutonium in its plants, soil and water ...

Beginning in the late 1950s, the U.S. met this challenge by developing nuclear batteries known as radioisotope thermoelectric generators (RTGs) and producing plutonium-238 (Pu-238) as their fuel, ...

Los Alamos, the Atomic City, is facing a legacy of its nickname. High levels of plutonium present in samples taken in July ...

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Much of it was developed for recreational use. Researchers say there's a problem: They've detected "extreme concentrations" ...

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Japan’s plutonium stockpiles in Britain and France totaled 21.8 tons and 15.4 tons, respectively, as of December 2020. Britain shut down its only M OX plant in 2011, which means it can no longer ...

The recent discovery, by a Northern Arizona University professor, of elevated levels of plutonium in a popular hiking canyon in Los Alamos comes as no surprise. But the lab’s decades-long ...

The Center for Public Integrity (CPI) reports that plutonium and cesium were stolen from the officials' car when they stayed overnight at a hotel. Authorities have not publicly commented on the ...