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 ...

The ionizing radiation symbol, featuring three curved blades emanating from a central point, has been used since 1946 to warn workers, scientists and the public of the presence of radioactive material ...

Federal officials plan to post warning signs along a contaminated suburban St. Louis creek where generations of children were exposed to radioactive material. Coldwater Creek, which winds between ...