In TODAY.com's Expert Tip of the Day, a psychiatrist explains why being exposed to a certain type of light at the wrong times ...
Avoiding light at night and seeking light during the day may be a simple and effective way to improve mental health. (Getty Images) For years, scientists have spoken about the mental health benefits ...
Photos show the lights illuminating the sky in vivid color across the U.S. this week. They'll be visible again in some states ...
Think blue light is hurting your sleep cycle? A new study suggests it can actually improve the overall sleep quality of older adults -- but only if they time it right. NY Post Composite Blue light ...
Nature offers many dazzling displays, from jagged flashes of lightning to radiant sunsets. But perhaps one of the most ...