Two conflicting developments arose this month in US efforts to produce new plutonium pits for its nuclear weapons: The National Nuclear Security Administration (NNSA) announced it had produced a ...

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

WASHINGTON (Reuters) - North Korea has restarted production of plutonium fuel, a senior U.S. State Department official said on Tuesday, showing that it plans to pursue its nuclear weapons program in ...

Barbara Scollin, grandniece of Major Gen. Kenneth D. Nichols continues her series on his life. ***Ample reasons, most notably leadership skills, personality traits and qualifications, led to choosing ...

A pair of lawmakers exhorted the Energy Department's top official to consider reining in a major nuclear arsenal modernization program amid long-running concerns over its cost and schedule performance ...

Email notifications are only sent once a day, and only if there are new matching items. An independent oversight agency wants to see improved safety systems at the facility at the heart of Los Alamos ...

IDAHO FALLS, Idaho (AP) - Residents are wary of a Department of Energy plan to start producing plutonium-238 at the Idaho National Laboratory. "Aren't you giving Idaho the dirty part of it?" Paul ...

In a sprawling building atop a mesa in New Mexico, workers labor around the clock to fulfill a vital mission: producing America’s nuclear bomb cores. The effort is uniquely challenging. Technicians at ...

Email notifications are only sent once a day, and only if there are new matching items. The National Nuclear Security Administration has announced plans to prepare a broad environmental assessment of ...