Add Yahoo as a preferred source to see more of our stories on Google. Photo Credit: iStock A new study has made a troubling discovery about the health of ecosystems near Los Alamos, New Mexico, where ...

North Korea warned this week that it might test a hydrogen bomb in the Pacific Ocean, after saying the country had already ...

LOS ALAMOS — A sphere of plutonium the size of a grapefruit contains enough energy to erase an entire city from existence. That single fact explains why nuclear weapons remain humanity’s most feared ...

The UK's Nuclear Decommissioning Authority announced it has succeeded in safely processing a can of plutonium residue into a stable waste form for the first time, marking a significant step toward ...

Newly released memo urges Los Alamos to accelerate plutonium pit production as critics raise safety and environmental concerns.

DOE’s efforts to manage surplus Pu-239 have been guided by the recommendations of a 1994 National Academy of Sciences study of plutonium disposition. The study made four specific recommendations (NAS, ...