Press Releases

The U.S. Department of Energy’s National Nuclear Security Administration and Japan’s Kyoto University have converted the Kyoto University Critical Assembly “Core C” from highly enriched uranium to high-assay low enriched uranium fuel.

The U.S. Department of Energy’s National Nuclear Security Administration (NNSA) will conduct low-altitude helicopter flights over the Las Vegas Strip and the Formula 1 Las Vegas Grand Prix race route, Tuesday, November 19, and Wednesday, November 20, in support of the 2024 Las Vegas Grand Prix.

The White House National Security Memorandum on Artificial Intelligence Marks Landmark Step to Galvanize Federal Government  

NNSA launches Enterprise Blueprint, a 25-year roadmap to deliver essential infrastructure on time and at scale

NNSA has released Prevent, Counter, and Respond—NNSA’s Plan to Reduce Global Nuclear Threats (NPCR) FY 2025-2029. This report highlights pressing nuclear and radiological challenges at home and abroad.

Report outlines efforts supporting pit production, scientific innovation, and seven stockpile modernization programs.

NNSA verified completion of the First Production Unit (FPU) of a plutonium pit for the W87-1 Modification Program. A plutonium pit is a necessary component in America’s nuclear warheads.

The U.S. Department of Energy transitioned landlord responsibilities at the Savannah River Site from the Office of Environmental Management to the National Nuclear Security Administration.

This week, NNSA and Romania’s National Commission for Nuclear Activities Control celebrated 15 years of partnership in advancing radiological security.

NNSA selected BWXT-NFS to conduct a study on uranium enrichment centrifuge technology in support of defense programs mission