The Energy Department says it is closing in on mass producing warhead-ready plutonium pits—the explosive core of nuclear ...

Europium glows red under UV light, so it’s used in making Euro banknotes to prevent forgeries, added to low-energy light bulbs so that the white color appears warmer ... highly reflective metal.

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 ...

Residents of Santa Fe, New Mexico - less than a half-hour drive from the birthplace of the atomic bomb - are drinking from a water supply with alarming traces of plutonium, scientists have found.

On Oct. 11, 1984, Kathryn Sullivan, flying into orbit aboard the space shuttle Challenger, became the first American woman to ...

An undated photo capturing the Plutonium Facility at Los Alamos National Labratory, with the Rio Grande valley and the Sangre de Cristo mountains in the background. (Photo courtesy of Los Alamos ...

Robert Oppenheimer didn't think Clinton Laboratories, predecessor of Oak Ridge National Laboratory, was worth saving.

The component, called a “plutonium pit,” is the radioactive component that acts as a first stage ‘trigger’ apparatus used to initiate the detonation of the thermonuclear device. Plans call for the W87 ...

By combining images taken with different filters, the imaging scientists can create accurate visual color photos from the ... heat given off by radioactive plutonium-238 into electricity.

Author Jodi Picoult makes a librarian her opening act at her talks across the country to talk about the effects of book ...

Ed Miliband has been urged to preserve a 140-tonne stockpile of radioactive plutonium instead of burying it as dangerous waste. The material, which is made up of spent fuel from power plants ...