Electric light is known to disrupt the circadian rhythms of people. A study at UC San Diego shows it also affects the sleep ...

NASA's VortEx experiment launched sounding rockets that created clouds, which will help scientists better understand how ...

The Proba-3 mission consists of two spacecraft that will fly in close formation to study the sun, with the shadow of one ...

Light, in Feng Shui, is one of the most powerful sources of energy—or "chi"—for any given space. Natural and artificial ...