There is a silent threat building up in the basements and crawl spaces of millions of American homes, and most people have no idea it is there. Radon is a naturally occurring radioactive gas that is ...

Exposure to radon was linked to an increased risk for gestational diabetes, a population-based cohort study suggested. Among 9,107 mothers-to-be, those living in U.S. counties with the highest radon ...

(Editor's Note: This story has been updated to reflect the correct amount of radon found in Dunloe Elementary after a school district official misspoke during a board meeting about the levels detected ...