Multi-day fast-spectrum reactor experiments at the U.S. Department of Energy’s National Criticality Experiments Research Center generate modern benchmark data. The data supports Oklo’s ...

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 ...

Building 104, a former naval reserve center, still houses many artists, despite no running water, heat, and proximity to toxic waste. Pictured on April 26, 2025. Photo by Marina Newman. At a Board of ...

I just finished watching the supposed “Town Hall” with LANL’s Tom Mason, director of Los Alamos National Laboratory. If I was lagging in energy, it managed to raise my blood pressure. Town Halls are ...

Plutonium is considered a fascinating element. It was first chemically isolated in 1941 at the University of California, but its discovery was hidden until after the Second World War. There are six ...

Washington’s gamble on metallic fast reactors could turn bomb metal into centuries of power. In October 2025, the US Department of Energy launched an unprecedented offer: 19.7 tons of surplus ...

SAN FRANCISCO, Calif. - A packed and at times tense community meeting in San Francisco’s Hunters Point on Monday drew frustration from residents after learning the U.S. Navy waited 11 months to alert ...

This is read by an automated voice. Please report any issues or inconsistencies here. The Navy waited 11 months to alert locals that airborne plutonium at Hunters Point Naval Shipyard had exceeded ...

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 ...

Public health officials in San Francisco said no “immediate action” is needed to protect public safety after airborne plutonium was detected in the city. In 2024, the radioactive substance Pu-239 was ...