The signs released by the U.S. Army Corps of Engineers warn of "low-level radioactive materials present" near Coldwater Creek in St. Louis. Federal officials plan to post warning signs along a ...

When nuclear accidents happen, many people imagine radiation spreading everywhere and lasting forever. The reality is more ...

An undated photo from the 1980s, of two teenagers stepping on rocks and wooden planks on Coldwater Creek. The photo is from a scrapbook kept by Sandy Delcoure, who lived on Willow Creek in Florissant ...