Living in a modern environment often means enduring a constant hum of background noise and physical vibration. From the ...

Blue light, often blamed for sleep problems, is now at the center of new animal research from the journal Physiology & Behavior suggesting it can ease anxiety caused by constant vibration and noise.

A new study suggests that blue light such as from phone screens may not be as disruptive to sleep as previously thought. The study looked at how people reacted to different types of light. They found ...

Blue light usually comes from the sun but also from digital screens and LED lights. Some experts believe artificial sources may be causing eye damage in humans, but animal studies are inconclusive.

You may know them by the acronym ROY G BIV. Together, they make the white light you see when the sun -- the main source of blue light-- is shining. Fluorescent and LED (light-emitting diode) light ...