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.

A new two-part series from "CBS Evening News" has brought renewed attention to decades-long concerns of nuclear waste ...

That’s when Visintine and her collaborators devised a map filled with red dots ... which began cleaning up contaminated sites in the St. Louis region in 1997, estimates that remediation of the ...