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
Thermal Hydraulics
The division provides a forum for focused technical dialogue on thermal hydraulic technology in the nuclear industry. Specifically, this will include heat transfer and fluid mechanics involved in the utilization of nuclear energy. It is intended to attract the highest quality of theoretical and experimental work to ANS, including research on basic phenomena and application to nuclear system design.
Meeting Spotlight
International Conference on Mathematics and Computational Methods Applied to Nuclear Science and Engineering (M&C 2025)
April 27–30, 2025
Denver, CO|The Westin Denver 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
Apr 2025
Jan 2025
Latest Journal Issues
Nuclear Science and Engineering
May 2025
Nuclear Technology
Fusion Science and Technology
Latest News
TerraPower begins U.K. regulatory approval process
Seattle-based TerraPower signaled its interest this week in building its Natrium small modular reactor in the United Kingdom, the company announced.
TerraPower sent a letter to the U.K.’s Department for Energy Security and Net Zero, formally establishing its intention to enter the U.K. generic design assessment (GDA) process. This is TerraPower’s first step in deployment of its Natrium technology—a 345-MW sodium fast reactor coupled with a molten salt energy storage unit—on the international stage.
August 6–9, 2023
Building Resiliency in a Rapidly Changing World
Marco Island, FL|JW Marriott Marco Island
Wednesday, August 9, 2023 | 8:00–10:00AM EDT
We are tackling a football theme for the Tuesday Evening Event. Wear your favorite team jersey to kick off a fun night!
Monday, August 7, 2023
8:00–10:00AM EDT
Plenary II- Nuclear and the Future of Resiliency
Tuesday,August 8, 2023
The ANS Operations and Power Division (OPD) is offering an opportunity for complimentary registration and housing to the American Nuclear Society Utility Working Conference (UWC) and Technology Expo.
YOU MUST BE AVAILABLE TO WORK FROM 3:00 PM ON SUNDAY, AUGUST 6th until 12:00 PM ON WEDNESDAY, AUGUST 9th.
For more information and to apply
Enhance your visibility at the 2023 Utility Working Conference by becoming a sponsor or exhibitor. Sponsors and exhibitors are recognized on the meeting website and the mobile app. All sponsors will also be acknowledged at the Opening Plenary, in promotional communications, and on signage displayed throughout the meeting. Sponsorship packages are limited, so reserve your package early.
View our prospectus for more information.