When you flip a switch or power up your smartphone, the last thing on your mind is whether that light could be messing with ...

SPRINGFIELD, Mo. (KY3) - You’ve probably noticed more colored headlights on area roads. And, our viewer Charolette did too. She wants to know, are those bright blue headlights legal? The answer is no.

This illustration demonstrates how bright blue LED light, shone through its complementary yellow phosphor, yields white light. Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of ...

A Huntsville Utilities program that has its roots in an effort by the city council to reduce light pollution is doing the opposite, some residents and members of local astronomical groups say. The ...