Researchers at Oak Ridge National Laboratory (ORNL) are studying neptunium, a rare radioactive element.

Plutonium is not a fun word to speak, hear, or write. Used to depict an actinide metal we've known about for some time, it has become synonymous with human-caused destruction on a hard-to-comprehend ...

Twenty years ago, I began to learn about plutonium-238, the isotope of plutonium used in space. I was familiar with plutonium-239, built up in nuclear power plants and used in nuclear weapons. My ...

SEATTLE – For much of the 20th century, a sprawling complex in the desert of southeastern Washington state turned out most of the plutonium used in the nation’s nuclear arsenal, from the first atomic ...

Los Alamos National Laboratory will be getting new supercomputers, making more plutonium pits and will play a role in pushing forward artificial intelligence development, the lab director shared ...

LOS ALAMOS — Los Alamos National Laboratory is converting part of the waste stream from plutonium purification into a steady, sustainable supply of the coveted element americium, which is used for ...

CAPE CANAVERAL, Fla., March 18 (Reuters) - The U.S. Department of Energy has produced its first batch of non-weapons grade plutonium, used to power space probes, since a nuclear reactor shutdown 25 ...

As of this past Labor Day, there are strong indications that future workers at the planned, new Savannah River Plutonium Processing Plant (SRPPF) may face unnecessary, increased risks of exposure to ...