The Army Corps of Engineers has been cleaning up radioactive contamination near St. Louis since the 1990s, but their efforts ...

Uranium produced in St. Louis was used for the secretive Manhattan Project. Leftover waste was dumped around the city.

The Chernobyl nuclear disaster in 1986 left behind a wasteland of abandoned buildings, contaminated land, and a legacy of ...

Cancer risk from a single CT scan is low, but repeated exposure could increase the risk of radiation-induced cancer.

CT scans, or CAT scans, are widely used to get internal images of the body and diagnose dangerous medical conditions, but ...

Local experts said patients should be aware of the radiation risks of CT scans but not shy away from the technology, which ...