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 ...

A rare rainforest insect, Arota festae, starts life bright pink before slowly turning green, revealing a surprising ...

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.

CORTINA D’AMPEZZO, Italy (AP) — The pair of animals chosen as mascots of the Olympic and Paralympic Winter Games are stoats — weasel-like creatures that are at risk because of climate change. One of ...