When you think of color-change artists of the animal world, you probably think chameleons, but these other cool beasts can change color, too. This cephalopod—that means big-headed, tentacled ...

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 ...

Camouflage isn't the only way cephalopods have evolved to change their appearance. Octopuses and other cephalopods make the fastest transformations in the animal kingdom. Here, a giant Pacific octopus ...