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 ...

Divide business owner Chris Bradley performs radon testing and mitigation throughout Teller and the Pikes Peak region. (Courtesy Peak Radon) The Rocky Mountain Range is a wonder of nature, thrust into ...

ST. PAUL, Minn. — A potentially life-threatening gas enters Minnesota homes at higher rates than other states. During Lung Cancer Awareness Month, we wanted to better understand: What is radon? How ...

A warning in a local newsletter led to the discovery of hazardous radon levels in one West Michigan woman's home.

Sara Moniuszko is a health and lifestyle reporter at CBSNews.com. Previously, she wrote for USA Today, where she was selected to help launch the newspaper's wellness vertical. She now covers breaking ...

This investigation was made possible with support from the Kozik Environmental Justice Reporting Grants at the National Press Foundation and the National Press Club Journalism Institute and from the ...

We are continuously exposed to radioactivity in everyday life. Some of the most familiar sources of radiation include microwave ovens in our kitchens and the radios we listen to in our cars. Most of ...