With new optical device, engineers can fine tune the color of light

Two Supermassive Black Holes Bend Light in Spectacular Interlocking Rings

Scientists uncover structure of light-driven enzyme with potential biofuel applications

Reducing light pollution doesn't only help humans see the stars—it avoids unintended harm to animals. Baby sea turtles can mistake city lights for moonlight and crawl into traffic or storm drains, and a study showed Manhattan's Sept. 11th memorial light affected the behavior of over 1 million birds.