He's an Anna's hummingbird, and technically, the bird's feathers never change color. It's the angle, not the feathers, that determine what color we see. "A good comparison would be a thin layer of oil ...

Mysterious creatures communicate by flashing colors, and scientists who used squid-cams are learning more about what they might be saying to each other. Humboldt squid are intelligent, complex ...

Inspired by the flashing colors of the neon tetra fish, researchers have developed a technique for changing the color of a material by manipulating the orientation of nanostructured columns in the ...