“Mirasaura teaches us that a feather is only one of the many wondrous things that reptiles evolved to grow out of their skin,” wrote Yale University evolutionary biologist Richard Prum in an essay ...

Mock vipers not only look like tree-dwelling vipers but also act like them. Intriguingly, they have a fake ‘fang’ in the front of their mouth, which befools a predator into thinking that they possess ...

Add Yahoo as a preferred source to see more of our stories on Google. Reconstruction and illustration of Mirasaura grauvogeli in its natural forested environment. Illustration by Gabriel Ugueto, ...

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 ...

In a study of fossils, a research team led by evolutionary biologist and Johns Hopkins Medicine assistant professor Matteo Fabbri suggests that a group of giant reptiles alive up to 220 million years ...

Viviparity, the live-bearing mode of reproduction, has evolved independently in several vertebrate lineages, including squamate reptiles and seahorses. In reptiles, evolutionary transitions from ...

A study determines when and how pterosaurs went from tiny tree-climbers to towering terrestrial titans Flying reptiles first came down from the trees in the mid-Jurassic Period, paving the way for ...

Researchers discovered that a 215-million-year-old reptile started life on four legs and switched to two as an adult.