This article is co-published with ProPublica, a nonprofit newsroom that investigates abuses of power. About 5 billion years ago, stars merged and exploded, creating uranium that eventually became ...

Radon is a radioactive gas that forms when uranium in the soil breaks down. It can enter homes and buildings, but you can’t see, taste, or smell it. Radon is the second leading cause of lung cancer, ...

Radon is an odorless, invisible radioactive gas. It's naturally released from rocks, soil and water—and it can get trapped inside homes, offices or schools. There's no known safe level of radon. There ...

NASHVILLE, Tenn. (WSMV) - Radon is naturally occurring but has been linked to lung cancer. It’s odorless, colorless, and tasteless, and is known as a silent killer. It’s not carbon monoxide, it’s ...

*Below 0.3 pCi/L is non-detectable by the kits Summit County’s Public Health Department has been collecting radon test results from homeowners for 13 years and consistently sees alarming results. In ...