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.
Explore membership for yourself or for your organization.
Conference Spotlight
2026 Nuclear Energy Conference & Expo (NECX)
August 24–27, 2026
Dallas, TX|Hilton Anatole
Latest Magazine Issues
Aug 2026
Jan 2026
2026
Latest Journal Issues
Nuclear Science and Engineering
September 2026
Nuclear Technology
Fusion Science and Technology
August 2026
Latest News
Oklo’s Isotope Test Reactor achieves criticality
Oklo’s Groves Isotope Test Reactor became the fifth Department of Energy–authorized reactor to achieve criticality under the agency’s authorization process, it was announced earlier today.
Criticality was reached at 9:19 p.m. (EDT) on Wednesday at the company’s Groves facility in Lockhart, Texas, according to the DOE.
Award Recipient Photos
Peter Murray
Paul J. Turinsky
Adolph Garcia
University of Wisconsin-Madison (Best Student Section)University of Florida (Best Student Section)Rensselar Polytechnic Institute (Honorable Mention)University of Missouri-Rolla (Honorable Mention)
Paul Bacca
Truc-Nam Dinh
Alan E. Waltar
Small Local SectionsVirginia (Best Membership, Best Section Management)Savannah River (Best Meetings and Programs, Best Public Information and Education)Large Local SectionsIdaho (Best Overall)International Local SectionsFrance (Best Meetings and Programs,Best Section Management)
Weijun Guo
J. Stephen Herring
USS NautilusCogema La Hague Plant
Roger Stoller
Samim AnghaieHerbert M. FontecillaJohn P. GutteridgeBrian K. HajekAtambir S. RaoTheodore Rockwell
George H. Miley
Robert W. Roussin
Siegfried S. Hecker
Joseph M. Hendrie
Charles H. Moseley
GraduateUniversity of MichiganJeremy Conlin, Chris Kirby, Kevin LynnUndergraduateGeorgia Institute of TechnologyV.L. Beavers, W.A. Casino, J.R. Cheatham, Z.W. Friis, R.D.Green, W.R. Hamilton, K.W. Haufler, J.D. Hutchinson, R.A. Lorio, J.W. Maddox, A.A. Manzoor, M.R. TerryUniversity of FloridaChristian F. Acosta, Bobby Ahmed, Jorge WeirUniversity of TennesseeTyler Cornell, Ryan Giar, Youssef Sharara, Scott Outten, Igor Petrusky
Yassin A. Hassan
Jim Morman
A. Rene RaffrayLance Snead
Mario H. Fontana
South Texas ProjectSTP Nuclear Operating Company
Joe Sheppard STP Nuclear Operating Company
Mihail Balanescu
Richard N. Hwang
Harold B. Ray