A dominant “Hulk” lizard morph is wiping out other color variants, demonstrating how fast evolutionary balance can collapse.

Picture a primordial Earth: a world of muted browns, grays and greens. Fast forward to today, and Earth teems with a kaleidoscope of colors. From the stunning feathers of male peacocks to the vivid ...

Scientists reconstructed 500 million years of evolutionary history to reveal which came first: colorful signals or the color vision needed to see them. The natural world is awash with color, and many ...

In the study of why and how animals look the way they do, color is king—at least, the range of color humans can see. A University of Michigan study examined a color range that humans can't see and ...

Color is more than a sensory pleasure; it is a tool refined by evolution. Our ability to perceive a broad spectrum of hues is a remarkable biological achievement shaped by survival pressures, social ...