Quick, name a color-changing animal. Did you say octopus? Chameleon? Cuttlefish? Excellent work — but there are a lot more. And they may only change color once a ...

In nature, the ability to change color can be key to survival. Vision is a very important sense in much of the animal kingdom, and many animals have come up with unique ways to use this sense to ...

Nature comes in a variety of striking colors, but all that beauty didn't evolve for our enjoyment. Conspicuous colors tend to be signals, often helping animals woo mates or warn predators. Yet the ...

Fruits come in a glorious rainbow of colors. Raspberries, kumquats, lemons, avocados, blueberries, figs; the colorful array rivals a 96-pack of Crayola crayons. But scientists have long debated ...

Animals are living color. Wasps buzz with painted warnings. Birds shimmer their iridescent desires. Fish hide from predators with body colors that dapple like light across a rippling pond. And all ...

Chameleons are often described as the “quick-change artists” of the animal kingdom, rapidly altering the shade of their skins to blend into their environment. But contrary to popular opinion, these ...

A few years ago, Professor Liz Tibbetts stumbled upon something surprising. She noticed that wasps had striking facial features—including fake eyelines and distinctive marks. At the time, people ...

Colors in nature can be produced by both pigments that absorb some light and microscopic structures that change the wavelength of light. Juraj Polak / Getty Images To the untrained eye, most fossils ...