Animals with ultraviolet color patterns can be found all over nature. Here’s what we know about what purpose these patterns serve.

Flying squirrels were already exceptional, as far as rodents go. Gifted with a flap of skin between their limbs, they can glide long distances between the trees where they live. But new research ...

Suddenly, a hot-pink squirrel flew by. It was a southern flying squirrel, a small, furry creature most active at dawn and dusk. Under most circumstances, it has a warm brown color. But in the beam ...