Risk maps for the cancer-causing gas radon can encourage people to test their homes for the substance, but only if homeowners live in known, higher-risk areas, new University of Oregon research finds.

Radon creates no smell, smoke or immediate symptom as it enters a house through soil and foundation openings. A basement can look perfectly dry and well maintained while the radioactive gas ...

Gov. Jared Polis has proclaimed January 2024 National Radon Action Month and encourages Coloradans to reduce their risk of radon-induced lung cancer. The Colorado Department of Public Health & ...

Which radon test kits are best? Radon gas, like carbon monoxide, is an odorless, tasteless and colorless gas that is frequently found in homes and can cause life-threatening health conditions like ...

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Radon, a radioactive gas, is the leading cause of lung cancer among nonsmokers and is present at high levels in many Ohio homes. Radon forms from decaying metals in soil, entering homes through ...

How Much Is a Radon Mitigation System? We analyze millions of real estate transactions to compare agents near you. Key Takeaways: Radon is a colorless, odorless gas that can be found in a lot of ...

JEFFERSON COUNTY, Colo. — Coloradans have just a few more days to take advantage of an opportunity to keep their homes safe. January is National Radon Action month and many agencies and some ...

Editor's note: A previous version of this article said radon gas in Iowa does not come from uranium but from radium. However, when uranium 238 undergoes radioactive decay it later becomes radium 226.

Editor's Note: This story has been updated to reflect the Iowa Department of Education's response, provided after the article was initially published on Oct. 1, 2025. When a pulmonologist told Gail ...