Chameleons have built a pretty solid reputation on two commonly held beliefs: They can stealthily blend into their surroundings, and they are the ideal subjects for iconic '80s anthems. But it turns ...

What a great question, Ikechukwu! It doesn’t have a simple answer, though: yes, chameleons do change color when they sleep, but we think it happens in a different way to when they’re awake. People ...

Chameleons, famous for shifting colors to blend into their natural surroundings to avoid predators, may also be using their chromatic superpowers for a totally different reason: To win fights. This ...

In dramatic new footage, a chameleon erupts in stunning colors while in the throes of death. Using time-lapse photography, researchers captured the colorful last few hours of the reptile's short life ...

You’ve probably heard that chameleons change color to blend into their background in order to hide. But that might not actually be true. So what do they actually use this color-changing ability for?

Controlling color Chameleons change color by contracting and relaxing certain cells in their skin that contain either crystals or pigments. The crystals are colorless or slightly yellow, but by lining ...