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 ...

A guest of Carnival Adventure was worried about radiation after stumbling upon a warning sign, but there is no threat to ...

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 ...

LITTLE ROCK -- At issue are glow-in-the-dark signs that contain tritium, a hydrogen isotope with a radioactive strength similar to that of material in many smoke alarms. The Nuclear Regulatory ...

Radiation is energy that moves from one place to another in a form that can be described as waves or particles. We are exposed to radiation in our everyday life. Some of the most familiar sources of ...