Light therapy lamps mimic natural light to help boost mood, focus and sleep quality—and ease symptoms of SAD. Our editors ...

Scientists in Korea are developing a comfortable light therapy hat that they hope will help with hair loss and growth. In lab ...

Red light therapy has gone from dermatology clinics to the wellness world, promising everything from younger-looking skin and ...

During this dark season, building an oasis of warm, life-affirming light in your home is extra important — which is something that Swedes, who live with as little as an hour of sun a day in winter, ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. It’s becoming increasingly difficult to see stars in the ...

A new optical device allows researchers to generate and switch between two stable, donut-shaped light patterns called skyrmions. These light vortices hold their shape even when disturbed, making them ...

America's rapid adoption of LED lighting saves money and uses less electricity. But it's also making it harder to see the stars. Light pollution comes from excessive artificial light that causes the ...

Editor’s Note: Call to Earth is a CNN editorial series committed to reporting on the environmental challenges facing our planet, together with the solutions. Rolex’s Perpetual Planet Initiative has ...

Researchers have built a paper-thin chip that converts infrared light into visible light and directs it precisely, all without mechanical motion. The design overcomes a long-standing efficiency-versus ...

Blue light is all around you. These high-energy light waves emanate from the sun, stream through earth’s atmosphere, and interact with light sensors in your skin and eyes. Increasingly, people are ...