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 ...

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 ...

We all know what chameleons are capable of: changing into a variety of colors to match their surroundings. They're one of the animals that are so well camouflaged you'd never see them right in front ...

The vivid colors and designs animals use to interact with their environments have awed and inspired since before people learned to draw on the cave wall. But how different creatures in the animal ...

In nature, it's not uncommon to observe animals that change color with the seasons. You may have heard of the arctic fox or the mountain hare, which are white in winter and brown in summer. This ...

Migration, hibernation and food storage are all responses to seasonal changes. As the days become shorter and the nights get longer, hormone changes trigger an animal's instinct to prepare for winter.

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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 ...

The color of your t-shirt is sending signals far beyond how trendy you are. In a study published Thursday in PLOS ONE, scientists found that Western fence lizards most feared approaching humans that ...