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 ...

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 recent study finds that color vision evolved in animals more than 100 million years before the emergence of colorful fruits and flowers. And there has been a dramatic explosion of color signals in ...

"Why do albino animals have red eyes?" Producer Felix Poon went looking for the answers. This has been lightly edited for clarity.

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 ...