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 ...

Animals of all kinds display unique characteristics and magnificent abilities. Hummingbirds can flap their wings 80 times per second; ants can carry up to 50 times their own weight; bats can quickly ...

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 are celebrated for their incredible ability to change color at will. Due to specialized cells in their skin, they can adapt their coloring to absorb heat, reflect sunlight, and communicate ...

The chameleon's uncanny ability to change color has long mystified people, but now the lizard's secret is out: Chameleons can rapidly change color by adjusting a layer of special cells nestled within ...