We all know what chameleons are capable of: changing into a variety of colors to match their surroundings. They're one of the ...

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 ...

Blue sharks possess a secret hidden in their skin: a sophisticated arrangement of microscopic crystals and pigments that create their brilliant blue appearance — and may allow them to change color.