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?

Sticking your tongue out is not a polite thing to do if you’re a human, but for chameleons and some other reptiles it is the way they survive. Chameleons are lizards that range in size from just over ...

A Furcifer pardalis (panther chameleon) sleeps in a tree in Madagascar. Curious Kids is a series for children in which we ask experts to answer questions from kids. Can chameleons change color when ...