The NRC is modernizing nrc.gov with an updated design and improved navigation to enhance usability. We are committed to a smooth transition and will work to minimize any disruption. The site may be briefly unavailable at times during launch. Thank you for your patience.
Spotlight
Radiation All Around Us
Radiation is naturally present in our environment, as it has been since before the birth of this planet. In addition, radiation can be produced artificially, as in medical x-rays and microwaves for cooking. The various forms of radiation can be either benefical or harmful, depending on their use and control. For that reason, regulation of certain radioactive sources is necessary to ensure that people and the environment are protected from unnecessary or excessive exposures. For additional information, see the following topics:
Page Last Reviewed/Updated Thursday, August 27, 2026
Page Last Reviewed/Updated Thursday, August 27, 2026