The importance of light in our daily lives is often underestimated. Light wakes us, guides us, and nourishes us. It can motivate and make you feel energized or create a cozy feel and help you relax.

Lucky Americans in roughly 20 states may get a chance to view nature's light show, the northern lights, tonight. The phenomenon will be viewable beginning in the late-night hours of Wednesday, March ...

Researchers have created a nanoscale structure that traps infrared light in a layer just 40 nanometers thick—over 1,000 times thinner than a human hair. By using a unique material with exceptional ...