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 ...

We’ve always been told that if you watch a chameleon closely behind any background, it flickers its colors and slips into invisibility mode. But boy, have we been wrong all along! Those mesmerizing ...

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 ...

Color change in animals is a response shaped by evolution. Each species has developed its own method and reason for this ability, like an overreliance on light or temperature cues, or a physiological ...

Inspired by the wondrous reptile known as the chameleon, engineers at the Wuhan University in China designed a 3D-printed robot that’s able to change its color to match its surroundings. The idea ...