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, ...

This, as he found out, isn’t something you should do lightly, as the one he used ended up containing an interesting mix of radioactive materials, including small amounts of plutonium-239 ...

Workers have begun laying the groundwork for the first production later this year of plutonium “pits” — hollow spheres the ...

The only problem is its radio active and that means that when it decays it tends to fall apart. It is of course Plutonium and here to spell it out is Cambridge University's Ian Farnan. Plutonium's ...

It's been decades since the U.S. Department of Energy wrapped up a cleanup of a Los Alamos canyon and declared it safe for public recreation. Starting in the 1940s, Acid Canyon was used as a dumping ...

Currently, there are 118 known elements on the periodic table, from hydrogen all the way to oganesson, which was officially ...

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 ...

ABC Audio's new podcast series reexamines the mysterious death of the whistleblower Karen Silkwood, a 28-year-old plutonium ...

Kyiv has rejected a report that suggested that it could develop a nuclear bomb quickly, using plutonium from spent nuclear ...

A report from an influential Ukrainian military think-tank laid out plans for the country to develop a nuclear bomb if Donald ...