Learn more about Nuclear
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July 6, 2026Early Saturday, as part of the U.S. Department of Energy Reactor Pilot Program, Aalo Atomics’ advanced reactor design, Aalo-X, successfully completed a zero-power fueled criticality demonstration.Energy.gov
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Press ReleasesJuly 1, 2026Deployable Energy’s demonstration reactor, Unity, successfully achieved criticality, marking the fulfillment of President Trump’s executive order directing DOE to authorize three advanced reactors with the goal of achieving criticality in each by July 4, 2026.Energy.gov
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June 24, 2026A list of commonly misunderstood nuclear energy words and phrasesOffice of Nuclear Energy
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June 23, 2026Financing will help rebuild America's nuclear supply chain and accelerate deployment of 10 new large-scale reactors.Energy.gov
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June 22, 2026Advanced negotiations underway with industry to potentially turn multi-billion-dollar government waste liability into a national energy asset.Office of Nuclear Energy
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June 18, 2026Today, as part of the U.S. Department of Energy Reactor Pilot Program, Valar Atomics’ advanced reactor design, Ward 250, successfully completed a zero-power fueled criticality demonstration.Energy.gov
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Press ReleasesJune 9, 2026The U.S. Department of Energy today released the finalized Fusion Science and Technology (FS&T) Roadmap, a national strategy to accelerate the development and commercialization of fusion energy on the most rapid, responsible timeline in history.Energy.gov
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June 4, 2026Today, as part of the U.S. Department of Energy Reactor Pilot Program, Antares Nuclear’s advanced reactor design, the Mark-0, successfully completed a zero-power fueled criticality demonstration at DOE's Idaho National Laboratory.Energy.gov
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June 3, 2026Mission-critical commercial and military applications have extremely high uptime requirements and tight deployment space constraints. Advanced small nuclear reactors, packaged as compact units and deployed in microgrids, present a tantalizing option to meet these constraints and advance many of our nation’s priorities.Office of Electricity
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May 29, 2026NNSA removed the last cesium-137 blood irradiator from Lebanon, marking an important milestone in NNSA’s mission to enhance U.S. security by eliminating high-risk radioactive material across the world.National Nuclear Security Administration