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
Reactor Physics
The division's objectives are to promote the advancement of knowledge and understanding of the fundamental physical phenomena characterizing nuclear reactors and other nuclear systems. The division encourages research and disseminates information through meetings and publications. Areas of technical interest include nuclear data, particle interactions and transport, reactor and nuclear systems analysis, methods, design, validation and operating experience and standards. The Wigner Award heads the awards program.
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!
Latest Magazine Issues
Jun 2025
Jan 2025
Latest Journal Issues
Nuclear Science and Engineering
August 2025
Nuclear Technology
July 2025
Fusion Science and Technology
Latest News
Nagra publishes license applications for Swiss geologic repository
Nagra, Switzerland’s national cooperative for the disposal of radioactive waste, has published its general license applications for a deep geologic repository and separate spent fuel encapsulation plant, making the documents publicly available on a digital platform.
Nuclear and Emerging Technologies for Space (NETS-2023) organizer
Director
Space Nuclear Power & Isotope Technologies Division
Dr. Stephen Johnson is the Director of the Space Nuclear Power and Isotope Technologies Division at the Materials & Fuels Complex at the Idaho National Laboratory. He has served as the Director of the Technical Integration Office for DOE’s Office of Nuclear Infrastructure Programs since 2012. Most recently this program fueled, tested, and delivered the MMRTG for NASA’s Mars Scientific Laboratory mission to the planet Mars. He holds a B.S. degree with a double major in Mathematics and Chemistry from Lake Superior State University (1984) and a Ph. D. in Physical Chemistry from Iowa State University (1990).
Last modified March 7, 2023, 3:02pm MST
