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 ...

They confiscated plutonium and depleted uranium in decorative vials and polymer cubes that Lidden kept by his bedside after buying from a US science collectables website to complete a real-life ...

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, ...

Those charges alone will get someone locked up for quite a long time—throw in another conviction for trying to offload thousands of pounds of uranium and weapons-grade plutonium, and it’s ...