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
Radiation Protection & Shielding
The Radiation Protection and Shielding Division is developing and promoting radiation protection and shielding aspects of nuclear science and technology — including interaction of nuclear radiation with materials and biological systems, instruments and techniques for the measurement of nuclear radiation fields, and radiation shield design and evaluation.
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
Fusion Science and Technology
July 2025
Latest News
Savannah River Site empties more waste tanks
The Department of Energy announced that waste from two more tanks at its Savannah River Site has been removed ahead of schedule. The tanks—numbers 11 and 15—are the fourth and fifth waste containers in 12 months to meet the milestone of preliminary cease waste removal (PCWR) regulatory approval, 7 and 19 months ahead of schedule, respectively, according to the DOE.
Technical Session|Space Nuclear Propulsion
Wednesday, May 7, 2025|1:00–2:40PM CDT|SPOC A (Space & Rocket Center)
Session Chair:
George Williams (NASA Glenn Research Center)
Session Organizer:
Harold Gerrish (NASA Marshall Space Flight Center)
Track Organizer:
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From Earth to Space: Validating Nuclear Technologies for Future Spacecraft
1:00–1:25PM CDT
Nathan Roskoff (Westinghouse Electric Co.), William Walters (Westinghouse Electric Co.)
Paper
Integrated System Modeling Suite Development for Nuclear Electric Propulsion Design Space Analysis
1:25–1:50PM CDT
Corey Smith (Georgia Tech), Dan Kotlyar (Georgia Tech)
Optimization of the Specific Power of a NEP System: Integrating Neutronics and the Thermal Aspects of a Heat Pipe Reactor (HPR) Core Design
1:50–2:15PM CDT
Francisco Szmandiuk (Univ. Grenoble Alpes), Pablo Rubiolo (Univ. Grenoble Alpes), Martin Marone (Univ. Grenoble Alpes), Nicolas Capellan (Univ. Grenoble Alpes), Fabien Castanet (CNES)
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