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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Visitors entering the Rocky Flats National Wildlife Refuge are now seeing two very different messages about safety — posted just ...

FLORISSANT, Mo. – Florissant residents could soon see new signs along Coldwater Creek letting people know about radioactive contamination. “Areas of low-level contamination do exist that do not pose a ...

ST. LOUIS COUNTY, Mo. — The U.S. Army Corps of Engineers plans to install what could end up being scores of signs sometime in November across north St. Louis County to warn people about the dangers of ...

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 ...

WASHINGTON (CN) - Tritium "EXIT" signs, which have tubes that glow in the dark for up to twenty years without electricity or batteries, are radioactive and should not go in the regular trash when ...

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

Radioactive Warning signs are being installed near entrances to Rocky Flats National Wildlife Refuge, sharply contradicting existing signs from the USFWS nearby. US health officials monitor deadly ...

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 ...