As night fell across a mountain ravine in Ecuador, a “cryptic” creature with “blue” bones emerged from its hiding spot and ...

A rare blue frog found in the Kimberley region of Western Australia has stunned researchers, who say the unusual colouring is probably due to a genetic mutation causing it to lose certain skin ...

While some plants can produce blue pigments because of anthocyanins, most creatures in the animal kingdom are unable to make ...