Does colorful light therapy actually make a difference? I tested a range of devices on my acne-prone skin to find out.

Purple Earth Hypothesis suggests Earth was once a purple planet. Early microbes used retinal, not chlorophyll, for ...

Researchers at the University of Tsukuba have reported on the structure and light energy transfer efficiency of a protein complex crucial to the photosynthesis of purple sulfur bacteria thriving in ...

The old lamps cast a distinctive orange glow, while modern LEDs are supposed to provide a clear white light. The LEDs naturally give out purple light - but a special coating of yellow phosphor turns ...

Light No Fire is the new project from No Man's Sky developer Hello Games. And this time, we are getting a fantasy outing instead of a sci-fi adventure. So far, the game promises to be about ...

Barring a freak power outage, the light emanating from towns and cities due to unnatural light sources is so bright that it washes out the stars. Today one-third of all humans, including 80% of ...

If you suffer from a circadian rhythm disorder, including a night owl tendency or seasonal affective disorder (SAD), you may wonder: What is light box therapy? This treatment, also called phototherapy ...

'ZDNET Recommends': What exactly does it mean? ZDNET's recommendations are based on many hours of testing, research, and comparison shopping. We gather data from the best available sources ...

Make the most of the night with the best cameras for low-light photography, perfect for photographing February's full moon, or capturing nocturnal wildlife. Whether you're out photographing ...

Red light therapy, also known as LED therapy, is gaining popularity in the skin care world for its potential anti-aging benefits. Dr. Rachel Nazarian, a board-certified dermatologist in New York ...

LED light bulbs are bright, energy-efficient and can be equipped with extra features, unlike regular bulbs. Whether you're looking for maximum brightness in darker rooms or you want a light source ...