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 ...

Chameleons' remarkable color changes are not for camouflage but a sophisticated biological trick. Their skin cells, called iridophores, manipulate light reflection, allowing them to express emotions, ...

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 ...

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?