Scientists found a 247-million-year-old reptile, Mirasaura grauvogeli, with a feather-like crest that lived in trees.

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 ...

By revisiting a fossil unearthed decades ago, paleontologists identified a new type of modified skin jutting out from the ...

Mirasaura grauvogeli had a featherlike crest and a tail like a monkey. “It's been a long time since I've been so blown away by a new fossil discovery.” ...

The discovery, in a bizarre animal not closely related to birds, could change how scientists think about the origin of ...