After Hiroshima and Nagasaki, a third plutonium core was prepared for potential use against Japan. Instead, it remained in US ...

Email notifications are only sent once a day, and only if there are new matching items. Los Alamos National Laboratory reached what federal officials say is a key milestone in developing its first ...

U.S. DOE's "Research Program Plan for Plutonium and Pit Aging," delivered to Congress in September 2021, obtained tardy response to FOIA request by SRS Watch on April 4, 2024 Los Alamos National Lab ...

In 1946, a P-239 plutonium core scheduled for detonation-by-nuclear-bomb was harmlessly melted down and reintegrated into the United States’ nuclear stockpile. That was the end of a 14-pound metallic ...

I think we can all agree that the physicists, engineers, and chemists who worked on the Manhattan Project -- which ultimately ended World War II -- were consummate geniuses and paragons of ...

Feb. 19—Los Alamos National Laboratory reached what federal officials say is a key milestone in developing its first plutonium pit that can be placed in a nuclear warhead as it seeks to produce 30 of ...