The American Nuclear Society was started in 1954 and now has over 11,000 members. This international scientific and educational group seeks to unify the professional activities within the diverse fields of nuclear science and technology.

Covers the fields of Fusion Technology, Nuclear Medical and Imaging Sciences, Particle Accelerator Science and Technology, Pulsed Power Systems, Radiation Effects, Radiation Instrumentation, Plasma Sciences and Applications, Standards for Nuclear Instruments and Detectors, and Computer Applications in Nuclear and Plasma Sciences.

The Health Physics Society focuses on radiation safety and consists of members from academia, government, medicine, research and development, analytical services, consulting, and industry.

One of the U.S. Department of Energy's largest national laboratories for scientific and engineering research.

The IAEA promotes international nuclear cooperation and safety. This site offers news and publications from the organization.

Contains general information and government resources relating to energy.