Crocodiles are hardy creatures, yet even these tenacious reptiles surprised researchers after a group was found in a dark cave with a unique color scheme.

This changed in the late 2000s, when researchers studying ancient feathers of fossil birds and dinosaurs such as Anchiornis ...

Our earliest mammalian ancestors avoided the dominant dinosaurs by only coming out at night and having uniformly dark, ...

Some animals have a remarkable ability to change ... Being a master of camouflage, this octopus can change its skin colour frequently and replicate patterns and textures, mimicking moving shadows ...

What cells and specialized organs make such crypsis possible for one of the older evolutionary groups of animals? Chromatophores are organs that are present in the skin of many cephalopods ...