More than 200 million years ago, life on Earth was experimenting with new forms. The Triassic period gave rise to animals ...

A newly discovered pterosaur fossil is shedding light on the evolutionary journey of these ancient flying reptiles. This complete specimen, named Skiphosoura bavarica, provides crucial insights into ...

Reptiles as we know them today may have evolved about 30 million years earlier than we initially assumed, new footprints reveal. According to a study published Wednesday (May 14) in the journal Nature ...

New discoveries of fossil clawed footprints from Australia, published in Nature, push the origin of reptiles back in time by at least 35 million years and change the entire timeline for the origin of ...

Body coverings such as hair and feathers have played a central role in evolution. They enabled warm-bloodedness by insulating the body, and were used for courtship, display, deterrence of enemies and, ...

Chromosomes of mammals and reptiles have diverged extensively in sequence and three-dimensional (3D) nuclear organization since their last common amniote ancestor. The fine-scale evolutionary patterns ...

Archosauromorphs walked - across a 10,000-mile hellscape - so dinosaurs could run. According to a new study published in Nature Ecology and Evolution, archosauromorphs, early ancestors of dinosaurs ...

Take a deep breath in, and your chest rises. Blow that air out, and your chest falls. While that breathing system might seem mundane, it’s shared by many modern-day creatures, including mammals, ...

The pterosaurs are extinct flying reptiles that lived alongside their close relatives, the dinosaurs. The largest of these reached 10 m in wingspan, but early forms were generally limited to around 2 ...