ANS is committed to advancing, fostering, and promoting the development and application of nuclear sciences and technologies to benefit society.
Explore the many uses for nuclear science and its impact on energy, the environment, healthcare, food, and more.
Division Spotlight
Aerospace Nuclear Science & Technology
Organized to promote the advancement of knowledge in the use of nuclear science and technologies in the aerospace application. Specialized nuclear-based technologies and applications are needed to advance the state-of-the-art in aerospace design, engineering and operations to explore planetary bodies in our solar system and beyond, plus enhance the safety of air travel, especially high speed air travel. Areas of interest will include but are not limited to the creation of nuclear-based power and propulsion systems, multifunctional materials to protect humans and electronic components from atmospheric, space, and nuclear power system radiation, human factor strategies for the safety and reliable operation of nuclear power and propulsion plants by non-specialized personnel and more.
Meeting Spotlight
Nuclear Energy Conference & Expo (NECX)
September 8–11, 2025
Atlanta, GA|Atlanta Marriott Marquis
Standards Program
The Standards Committee is responsible for the development and maintenance of voluntary consensus standards that address the design, analysis, and operation of components, systems, and facilities related to the application of nuclear science and technology. Find out What’s New, check out the Standards Store, or Get Involved today!
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Nuclear Science and Engineering
August 2025
Nuclear Technology
July 2025
Fusion Science and Technology
Latest News
Take steps on SNF and HLW disposal
Matt Bowen
With a new administration and Congress, it is time once again to ponder what will happen—if anything—on U.S. spent nuclear fuel and high-level waste management policy over the next few years. One element of the forthcoming discussion seems clear: The executive and legislative branches are eager to talk about recycling commercial SNF. Whatever the merits of doing so, it does not obviate the need for one or more facilities for disposal of remaining long-lived radionuclides. For that reason, making progress on U.S. disposal capabilities remains urgent, lest the associated radionuclide inventories simply be left for future generations to deal with.
In March, Rick Perry, who was secretary of energy during President Trump’s first administration, observed that during his tenure at the Department of Energy it became clear to him that any plan to move SNF “required some practical consent of the receiving state and local community.”1
Advances in Thermal Hydraulics (ATH 2024)
Technical Session|Panel
Tuesday, November 19, 2024|8:00–9:45AM EST|Coral B
Session Chair:
Marilyn Delgado (BWXT)
Session Organizers:
Jun Liao (Westinghouse Electric Co.)
Jon D. McWhirter (TerraPower)
In recent years, the development and deployment of liquid metal reactors is accelerating as a promising solution to address decarbonization, diversified nuclear application and closed fuel cycle. The industry engagement task force of Thermal-Hydraulics Division is organizing a panel session to engage the nuclear industry to facilitate the development of liquid metal reactors. This panel will focus on the recent progresses and challenges in developing sodium cooled reactor and lead/LBE cooled reactor, fast neutron spectrum or thermal neutron spectrum. The panel topics include the design of reactor, the testing and the analysis supporting the development. Panelists come from well-established nuclear reactor developers, fast-growing startup companies, and industry-oriented organizations.
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