Average predicted community-level radon concentrations at screening floor across contiguous United States during 2001 to 2021. Credit: Proceedings of the National Academy of Sciences (2025). DOI: ...

A majority of Indiana counties, including Johnson County, are in the red zone for radon, according to this 2014 map from the U.S. Environmental Protection Agency. Red zones are areas with the highest ...

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.

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 ...

Ramping up their campaign to reduce health hazards from radon, state officials released an online map Tuesday that Minnesotans can use to check risk levels in their area. The Minnesota Department of ...

Radon is all around us, but exposure to high levels can prove detrimental. Here's what you should know.

Deep within the ground, naturally occurring uranium in rocks and soil breaks down, releasing a radioactive gas called radon. It rises through the dirt, dissipating into the open air. But when radon ...