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.
19th International Conference on Probabilistic Safety Assessment and Analysis (PSA 2025)
Technical Session|Sponsored by NISD
Wednesday, June 18, 2025|1:00–2:45PM CDT|Purdue/Wisconsin
Session Chair:
David Grabaskas
Session Organizer:
Alternate Chair:
Jonathen Facemire
To access paper attachments, you must be logged in and registered for the meeting.
Register NowLog In
Defining Risk Metrics for Non-Light-Water Reactors
1:00–1:20PM CDT
Gerardo Martinez-Guridi (U.S. Nuclear Regulatory Commission - 11545 Rockville Pike), Matthew J. Humberstone (U.S. Nuclear Regulatory Commission), Jeffery Wood (U.S. Nuclear Regulatory Commission), Martin Stutzke (U.S. Nuclear Regulatory Commission), Hanh K. Phan (U.S. Nuclear Regulatory Commission)
Paper
Risk Measures for Advanced Reactors: eVinci PRA Implementation
1:20–1:40PM CDT
Oleg Boychenko (Westinghouse Electric Co.), Kyle Hope (Westinghouse Electric Co.), Patrick Kapral (Westinghouse Electric Co.)
Risk Metric Guidance for Advanced Reactors
1:40–2:00PM CDT
Eric A. Thornsbury (EPRI), Stephen M. Hess (Jensen Hughes Inc.), Chloe Howard (Jensen Hughes)
An NRC Perspective on Nuclear Power Plant System Risk
2:00–2:20PM CDT
Matthew J. Humberstone (U.S. Nuclear Regulatory Commission), Cory Parker (US NRC), Stephen Cumblidge (US NRC), Dan Widrevitz (US NRC)
Development of Risk Informed Systems Engineering (RISE) Platform for Uncovering Safety Margin in LWRs through Realistic Characterization of Dose Consequences
2:20–2:40PM CDT
Michael G. Mankosa (FPoliSolutions LLC), Cesare Frepoli (FPoliSolutions LLC), Matt Norris (FPoliSolutions)
To join the conversation, you must be logged in and registered for the meeting.
