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
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
June 2025
Nuclear Technology
May 2025
Fusion Science and Technology
Latest News
Sam Altman steps down as Oklo board chair
Advanced nuclear company Oklo Inc. has new leadership for its board of directors as billionaire Sam Altman is stepping down from the position he has held since 2015. The move is meant to open new partnership opportunities with OpenAI, where Altman is CEO, and other artificial intelligence companies.
Technical Session|Space Nuclear Propulsion
Wednesday, May 7, 2025|1:00–2:40PM CDT|SPOC B (Space & Rocket Center)
Session Chair:
James Maddox (NASA Marshall Space Flight Center)
Track Organizer:
Harold Gerrish (NASA Marshall Space Flight Center)
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NTP Transient Reactor Modeling and Uncertainty Propagation
1:00–1:25PM CDT
Eleni Mowery (AMA), Jacob Stonehill (AMA), Corey Smith (AMA), Matthew Duchek (AMA)
Paper
Decay Heat Correlation Generation Methodology for Nuclear Thermal Propulsion Reactors
1:25–1:50PM CDT
Matt Krecicki (BWX Technologies), Herschel Smith (BWX Technologies)
Demonstration of Nodal Diffusion Analysis for Nuclear Thermal Propulsion Core Modeling with Varying Thermal-Hydraulic Conditions
1:50–2:15PM CDT
Jake Smith (Georgia Tech), Dan Kotlyar (Georgia Tech)
Systematic Approach for NTP Analysis Using a Consistent Solution Sequence and Reduced-Order Thermal-Hydraulics
2:15–2:40PM CDT
C. Eck (Georgia Tech), D. Kotlyar (Georgia Tech)
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