Celebrity-backed devices promise meditative ‘sober trips’. Researchers are studying how rhythmic light reshapes visual experience and mood.

Red light therapy has gone from dermatology clinics to the wellness world, promising everything from younger-looking skin and thicker hair to weight loss, pain relief, better sleep, and even improved ...

The human body has long been studied through the lens of chemistry and electrical signaling, but an emerging field of research is adding a fascinating new dimension: light. Scientists have discovered ...