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
Thermal Hydraulics
The division provides a forum for focused technical dialogue on thermal hydraulic technology in the nuclear industry. Specifically, this will include heat transfer and fluid mechanics involved in the utilization of nuclear energy. It is intended to attract the highest quality of theoretical and experimental work to ANS, including research on basic phenomena and application to nuclear system design.
Meeting Spotlight
2025 ANS Annual Conference
June 15–18, 2025
Chicago, IL|Chicago Marriott 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
May 2025
Jan 2025
Latest Journal Issues
Nuclear Science and Engineering
June 2025
Nuclear Technology
Fusion Science and Technology
Latest News
Deep Isolation validates its disposal canister for TRISO spent fuel
Nuclear waste disposal technology company Deep Isolation announced it has successfully completed Project PUCK, a government-funded initiative to demonstrate the feasibility and potential commercial readiness of its Universal Canister System (UCS) to manage TRISO spent nuclear fuel.
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Exelon Generation is America’s leading provider of zero-carbon nuclear energy. We generate power that’s reliable, every minute of the day. Exelon has a balanced portfolio of natural gas, hydro, wind, and solar. Customers count on us daily for reliable, efficient, often innovative energy production. Exelon has one of the nation’s largest, cleanest, lowest-cost power generation fleets.
Exelon Generation has two primary business units: Exelon Nuclear and Exelon Power. Exelon Nuclear operates America’s largest fleet of nuclear power plants. We’ve had a very strong record of performance for 19 consecutive years, with a 2019 capacity factor of 95.7 percent. The Exelon nuclear fleet is a powerhouse, producing approximately 158 million megawatt-hours of electricity every year.
Exelon Power is responsible for managing, operating and maintaining the company’s fleet of natural gas, hydroelectric, wind, solar, landfill gas and oil assets. Exelon Power provides nearly 12,000 megawatts of safe, efficient, environmentally responsible base load, intermediate and peak power generation.