Most of us have seen a mood ring in our lifetimes. Depending on your body temperature, the ring would change colors. It seemed like magic back then, but as an adult you may have learned that there are ...

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 ...

For the first time ever, marine biologists have measured how much energy octopuses really need to change color — and it's a lot. When you purchase through links on our site, we may earn an affiliate ...