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
Mathematics & Computation
Division members promote the advancement of mathematical and computational methods for solving problems arising in all disciplines encompassed by the Society. They place particular emphasis on numerical techniques for efficient computer applications to aid in the dissemination, integration, and proper use of computer codes, including preparation of computational benchmark and development of standards for computing practices, and to encourage the development on new computer codes and broaden their use.
Meeting Spotlight
2025 ANS Annual Conference
June 15–18, 2025
Chicago, IL|Chicago Marriott Downtown
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!
Latest Magazine Issues
May 2025
Jan 2025
Latest Journal Issues
Nuclear Science and Engineering
June 2025
Nuclear Technology
Fusion Science and Technology
Latest News
First concrete marks start of safety-related construction for Hermes test reactor
Kairos Power announced this morning that safety-related nuclear construction has begun at the Oak Ridge, Tenn., site where the company is building its Hermes low-power test reactor. Hermes, a scaled demonstration of Kairos Power’s fluoride salt–cooled, high-temperature reactor technology, became the first non–light water reactor to receive a construction permit from the Nuclear Regulatory Commission in December 2023. The company broke ground at the site in July 2024.
November 30–December 3, 2021
Now all sessions will be available virtually!
Washington, DC|Washington Hilton
If you are attending the 2021 Winter Meeting, we will require either proof of COVID-19 vaccination, or a negative COVID-19 test taken within 72 hours of arrival at the Washington Hilton Hotel.
ANS values the health and safety of all our members. We will continue to follow all CDC, State, City, and Hotel safety requirements in our efforts to provide you a safe environment as we gather again.
The server used by EventScan for uploading your vaccination information is the same type of server used by hospitals, surgical centers, and emergency clinics. Once uploaded, your vaccination information is stored on an encrypted HIPAA server during the information collection timeframe for laboratory purposes. The data is kept encrypted on the server until conclusion of the meeting, and all attendees receive notification of verification, by email through the secured system.
General ChairAmir Vexler President and Chief Executive Officer Orano USA
Steve Nesbit2021 PresidentAmerican Nuclear Society
Craig H. PiercyExecutive Director / CEOAmerican Nuclear Society
Wednesday, December 1, 2021 | 8:00–11:00AM EST
Thursday, December 2, 2021 | 8:00–10:30AM EST
Visit the New ANS Lounge, Sponsored by EPRI, to network with other attendees or simply relax between sessions.
Sponsored by
The ANS Winter Meeting gives you guaranteed live in-person access to diverse, hard-to-reach professionals as well as virtual attendees from across the nuclear industry . Over a quarter of our audience has decision-making and buying power (CNO, COO, VP and Senior level staff). These powerful decision-makers control huge budgets and attend the Winter Meeting with serious purchasing intent, looking for new technology solutions and practical innovations that best fit their operations’ needs. View our Exhibitor and Support Prospectus