Red-light devices are all over social feeds and make enormous promises. From the many, we find the few that are actually worth your commitment, time, and money.

I got to test the white model, but it’s also available in black, so it should blend in whether you’re making a statement in your living room or adding another element to your RGB-heavy gaming ...

A casino could turn Times Square into a de facto red-light district, undoing a generation of work to make the area safer and more welcoming.

In this episode, we misstated that the irradiance, or power over an area, of red light devices is measured in megawatts per square centimeters. It is milliwatts, not megawatts.

The colors of rubies and emeralds are so striking that they define shades of red and green—ruby red and emerald green. But have you ever wondered how they get those colors?

Illuminate CLE is a new nightly synchronized light show with music that runs at the top of the hour from dusk until 11 p.m. in Public Square.

As a solar eclipse approaches totality and our eyes adjust to dimming light, our color vision changes. It’s called the Purkinje effect.

Red light therapy is helpful for skin and pain management, and some have claimed it’s also useful for sleep. But experts and limited research say otherwise.

Sdelaemremont designed this 600-square-foot home in Almaty with light retention in mind. All products featured on Architectural Digest are independently selected by our editors.

The same will be true of proposals like white traffic lights for self-driving cars. "If we're talking about this new kind of infrastructure, a fourth phase of light, you might say it solves a ...

New research has achieved a significant breakthrough in color switching for nanocrystals, unlocking exciting possibilities for a simple, energy efficient display design and for tunable light ...