The sprawling-upright transition across mammal evolution, showing changes in posture and limb bone shape. Magdalen Mercado, ...

Learn more about archosauromorphs, the early relatives of dinosaurs, that survived inhospitable terrain during the Triassic ...

Pterosaurs, which dominated the skies of the Triassic, Jurassic and Cretaceous periods, first evolved to take to the air in ...

A study shows that turtles use both genetic signals and mechanical forces to form the scales on their heads, revealing a ...

The shift from lizard-like sprawl to upright walking in mammals wasn’t a smooth climb up the evolutionary ladder. Instead, it ...

In addition, the discovery of some of the earliest snake fossils, dating back to the Middle Jurassic–Lower Cretaceous, has extended the known temporal range for snake evolution and provided a ...

The forerunners of dinosaurs and crocodiles in the Triassic period were able to migrate across areas of the ancient world ...

Lizard and Snake Evolution in the Fossil Record The fossil record of squamates, encompassing both lizards and snakes, provides an intricate account of evolutionary innovation over millions of years.

Despite Earth's most devastating mass extinction wiping out over 80% of marine life and half of land species, a group of ...

Scientists confirmed a new dinosaur-era lizard discovered in Utah, nearly two decades after it was excavated and placed in ...

The skies were empty for most of Earth’s history, but then light‑boned reptiles mastered powered flight roughly ...