Long dismissed as unintelligent, reptiles are emerging as cognitively and emotionally complex animals. A new study involving tortoises suggests that they also possess mood states. By Brandon Keim ...

Louise Gentle does not work for, consult, own shares in or receive funding from any company or organisation that would benefit from this article, and has disclosed no relevant affiliations beyond ...

Reptiles are fascinating nonhuman animal (animal) beings. Many people dismiss or underestimate the depth of their social, cognitive, and emotional lives and don't realize that they're not "easy pets" ...

Pterosaurs were the first vertebrates to take to the air. Flapping with wings made of a membrane stretched over ludicrously-elongated fourth fingers, these flying reptiles filled the skies between 66 ...