April 10, 2024

U.S. and Japan remove all highly enriched uranium from additional research reactor — two years ahead of schedule

President Biden and Prime Minister Kishida highlight their continued commitment to HEU minimization during Japan State Visit

March 29, 2024

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Women's History Month Spotlight: Rengin Gok, Nonproliferation

Meet Rengin Gok. A seismologist by training, she now uses that knowledge to help NNSA monitor for secret underground nuclear blasts. (And she's trying to bring that strict methodology into playing her piano too.)

March 22, 2024

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Women's History Month Spotlight: Flora Lethbridge-Çejku, Nonproliferation

Meet Flora Lethbridge-Çejku. Whether you need someone to pull their weight in a scull or you happen to need uranium or plutonium safely packaged (a key #NNSA mission) she's the one to call.

March 18, 2024

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Women's History Month Spotlight: Novella Bridges, Nonproliferation

Open your mind to all the possibilities, says NNSA's Novella Bridges, a radiochemist (and former basketball ref). Once a reluctant convert to the world of nuclear security, this plutonium expert now finds it exciting.

March 14, 2024

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Women's History Month Spotlight: Lyndsey Adams, Nonproliferation

Meet Lyndsey Adams. When she's not working to make the world safer by disposing of plutonium, she's probably listening to a Taylor Swift song.

March 7, 2024

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NNSA co-hosts International Symposium on Insider Threat Mitigation in Brussels

NNSA and the Belgian Federal Agency on Nuclear Control co-hosted the 2nd International Symposium on Insider Threat Mitigation in Brussels, Belgium March 5-7.

March 6, 2024

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NNSA partners with Hungary to transition country to X-ray technology for blood irradiation

The National Nuclear Security Administration’s Office of Radiological Security and the Hungarian National Blood Transfusion Service celebrated the final replacement of Hungary’s high-activity cesium-137 blood irradiators with X-ray technology.

March 1, 2024

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The State of Ukraine’s Zaporizhzhya Nuclear Power Plant: A Compilation of Facts from Credible Sources

In 2022, Russian forces seized Ukraine’s Zaporizhzhya Nuclear Power Plant. We have analyzed the state of ZNPP using a variety of credible sources, and the facts do not support the narrative Russia has presented.

February 20, 2024

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Black History Month Spotlight: Tony Walker, Nonproliferation

Nonproliferation Spotlight (Black History Month edition): Tony Walker

February 14, 2024

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Black History Month Spotlight: Rama Balde, Nonproliferation

Meet Rama Balde. Multilingual, multicultural, multifaceted: She brings a lot to her foreign affairs job at NNSA. But she learns something new every day thanks to the agency's depth of expertise in science and nonproliferation.