You got the radon test results back. The numbers are high—maybe 8.0 pCi/L, maybe higher. Your realtor says you need mitigation before closing. Or maybe you've lived in your Wisconsin home for years ...

Radon is an odorless gas that causes more than 20,000 cancer-related deaths every year. Iowa and North Dakota have the highest risk-level for radon, and now a central Iowa real estate company has ...

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 ...

Tests have shown more than half of the houses in Morgan County have dangerously high levels of the radioactive gas radon.

When it rains, when a low-pressure system passes by, and when water soaks the soil, it's not a great day to sample for radon. Those conditions force radon out of pore spaces and into basements. It ...

ProPublica is a nonprofit newsroom that investigates abuses of power. Sign up for Dispatches, a newsletter that spotlights wrongdoing around the country, to receive our stories in your inbox every ...