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
Accelerator Applications
The division was organized to promote the advancement of knowledge of the use of particle accelerator technologies for nuclear and other applications. It focuses on production of neutrons and other particles, utilization of these particles for scientific or industrial purposes, such as the production or destruction of radionuclides significant to energy, medicine, defense or other endeavors, as well as imaging and diagnostics.
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.
2023 ANS WINTER CONFERENCE AND EXPO
Dr. Richard A. Meserve, who served as Chairman of the United States Nuclear Regulatory Commission (NRC) from 1999 to 2003 following many years as a partner at Covington & Burling, is currently senior of counsel to the firm. Richard is based in Covington's Washington office. With a Ph.D. in applied physics, Richard has long concentrated his practice on issues at the intersections of law, regulation, science, and technology, with a special focus on recent years on nuclear matters.
Richard serves as President Emeritus of the Carnegie Institution for Science, a non-profit entity that undertakes fundamental research on the frontiers of biology, earth sciences, and astronomy. He assumed the presidency in April 2003, having been a member of Carnegie's board of trustees since 1992, retiring as President in 2014.
Richard served as Chairman of the NRC under Presidents Clinton and Bush. During his tenure from 1999 to 2003, he was the principal government official with responsibility for regulating nuclear power plants and the use of nuclear materials. In this role, he helped NRC and its licensees respond effectively to terrorist challenges; facilitated the continued production of safe nuclear power; prepared for the next generation of nuclear reactors; and made significant progress in establishing risk-informed regulation through the successful implementation of the reactor oversight process and through various regulatory changes.
Richard is currently chairman of the International Nuclear Safety Group chartered by the International Atomic Energy Agency. He has served on numerous legal and scientific committees over the years, including many chartered by the National Academies of Sciences, Engineering, and Medicine. Among other affiliations, he is a member of the American Philosophical Society and the National Academy of Engineering, and he is a fellow of the American Academy of Arts and Sciences, the American Association for the Advancement of Science, and the American Physical Society. Richard served on the board of directors of PG&E Corporation and Duke Energy Corporation and is a member of the board of TAE Technologies, Inc. He is a former President of the Board of Overseers of Harvard University.Prior to joining Covington & Burling in 1981, Richard served as legal counsel to President Carter's science and technology advisor and as a clerk to Justice Harry A. Blackmun on the US Supreme Court.
Last modified November 6, 2023, 8:21am EST