Paleontologists have uncovered in Arizona a Triassic treasure trove of fossils dating back 209 million years ago.

The 209-million-year-old fossil offers clues to the evolution of the reptiles, which have more than 150 named species ...

A Smithsonian-led team of researchers have discovered North America's oldest known pterosaur, the winged reptiles that lived ...

Pterosaurs, which dominated the skies of the Triassic, Jurassic and Cretaceous periods, first evolved to take to the air in warm and humid conditions during the Late Triassic, a new study suggests.

The first fossils of C. elivensis were unearthed in 1907 and sparked a spirited debate over how the reptile actually lived and how it evolved to have these wings.

Oldest footprints of first ‘reptile’ found by fossil hunters. A report in the journal Nature estimates that the amniote tracks date to between 350 million and 359 million years ago.

Which came first: The reptile or the egg? Date: June 12, 2023 Source: University of Bristol Summary: The earliest reptiles, birds and mammals may have borne live young, researchers have revealed.

The earliest reptiles, birds and mammals may have borne live young, researchers from Nanjing University and University of Bristol have revealed. Until now, the hard-shelled egg was thought to be ...

The reptile in question, Hupehsuchus nanchangensis, arrived on the scene a few million years after the Great Dying. Unlike the massive sea monsters that eventually evolved, it was about three feet ...