As daylight diminishes, people can feel their mood dimming. In fact, millions of U.S. adults experience seasonal affective ...

It's that time of year again in the northern hemosphere. The days are getting shorter, the sun is setting sooner and the ...

Blue light is good for your body during the day, but exposure to blue light at night can cause mild to more severe health effects.

A flash of light hits a simple iron crystal. In the space of a trillionth of a second, its magnetic behavior shifts, as if ...

What Is Therapeutic Light Therapy? Therapeutic light therapy, also called phototherapy, is a form of treatment for certain types of depression, sleep disorders, and other conditions. It involves ...

New York City will again honor the lives lost on 9/11 with the Tribute in Light display, shining beams of light into the sky that can be seen for dozens of miles. The 9/11 memorial display, which also ...

The transmission warning light is among the many dashboard lights that drivers should be familiar with. However, there's a catch: The warning light of the transmission module comes in many shapes and ...

Diwali or Deepavali celebrates the "victory of good over evil during the course of five days," according to the Hindu American Foundation.