About ANS
- ANS is committed to advancing, fostering, and promoting the development and application of nuclear sciences and technologies to benefit society.
About Nuclear
- Explore the many uses for nuclear science and its impact on energy, the environment, healthcare, food, and more.
Communities
- 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.
Events
- Meeting Spotlight
  2025 ANS Annual Conference
  June 15–18, 2025
  Chicago, IL|Chicago Marriott Downtown
Standards
- 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!
Publications
- Latest Magazine Issues
  May 2025
  Jan 2025
  Latest Journal Issues
  Nuclear Science and Engineering
  June 2025
  Nuclear Technology
  June 2025
  Fusion Science and Technology
  May 2025
- Latest News
  NWMO chooses vendors for Canadian repository
  Canada’s Nuclear Waste Management Organization has selected five companies it is to work with to design and plan the organization’s proposed deep geologic repository for spent nuclear fuel. As the owner of the project, the NWMO will be working with WSP Canada, Peter Kiewit Sons (Kiewit), Hatch Ltd., Thyssen Mining Construction of Canada, and Kinectrics.
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Award Recipients

Stephen A. Fleger
Kenneth G. Lowery

Steven A. Arndt
Richard J. Stattel

David Desaulniers

Imre and Maria Pázsit

Ronald L. Boring
Rizwan Uddin

David L. Rahn
Richard T. Wood

Prof. Poong Hyun Seong
Dr. Lewis F. Hanes

Dr. Jin Jiang
Dr. Belle Upadhyaya

Dr. Joseph Naser
Mr. Ted Quinn

Arndt Lindner

Gary Lynn Johnson
John M. O’Hara

Douglas Chapin
Hidekazu Yoshikawa

Dieter H. Wach
Julius J. Persensky

Oszvald Glockler

Rafael B. Perez

Robert E. Uhrig