Is it possible that feathers weren’t the first extravagant skin appendages in reptiles? The recent discovery of Mirasaura grauvogeli’s remarkable dorsal crest has upended long-held assumptions about ...

Carotenoids are pigments responsible for most bright yellow, red, and orange hues in birds. Their distribution has been investigated in avian plumage, but the evolution of their expression in skin and ...

What they discovered — The researchers classified the new dinosaur as a 'compsognathid' theropod — one of a kind of small, bird-like dinosaurs. Theropods themselves are a diverse group of dinosaurs ...