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Conference Spotlight
2025 ANS Winter Conference & Expo
November 9–12, 2025
Washington, DC|Washington Hilton
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!
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Oct 2025
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Nuclear Science and Engineering
November 2025
Nuclear Technology
Fusion Science and Technology
Latest News
Surplus plutonium for power reactor fuel: What’s on offer
The Department of Energy has a plan for private companies to “dispose of surplus plutonium”—about 19.7 metric tons in both oxide and metal forms—by “making the materials available for advanced nuclear technologies.” A Surplus Plutonium Utilization Program request for applications (RFA) issued October 21 describes the plutonium on offer, and the “thresholds” prospective applicants must meet.
Technical Session|Space Nuclear Propulsion
Monday, May 5, 2025|10:00–11:40AM CDT|SPOC B (Space & Rocket Center)
Session Chair:
Mitchell Rodriguez (NASA Marshall Space Flight Center)
Track Organizer:
Harold Gerrish (NASA Marshall Space Flight Center)
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The Case for Architecting Space Nuclear Propulsion Missions and Vehicles That Incorporate In-Space Servicing, Assembly and Manufacturing Principles
10:00–10:25AM CDT
Julia Cline (NASA Langley Research Center), John Dorsey (NASA Langley Research Center)
Paper
Alumni Project: Ntp Engine Design Options and Performance Assessment Against Mars Mission Use Cases
10:25–10:50AM CDT
Frederic Bertrand (CEA), Pierre Sciora (CEA), Valérie Brun-Magaud (CEA), Eric Proust (CEA), Gedeon Mauger (CEA), Thibault Moulignier (CEA), Michel L. Schlegel (CEA), Fabrice Jacquet (Ariane Group), Jean-Luc Dumont (Ariane Group), Lea Wullschleger (Ariane Group), Nicolas Guezennec (Ariane Group), Aranud Ruiz (Ariane Group), Nicolas Corlay (Ariane Group), Valere Girardin (ESA)
Mission Formulation Using Digital Engineering for Nuclear Thermal Propulsion System
10:50–11:15AM CDT
Saroj Kumar (Univ. Alabama, Huntsville), L. Dale Thomas (Univ. Alabama, Huntsville)
Safety Engineering Framework for Space Nuclear Reactor Control Mechanisms
11:15–11:40AM CDT
Matthew Granger (Lockheed Martin Space), Alexander Herbert (Lockheed Martin Space)
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