New research has revealed how more upright limb postures helped ancient reptiles overcome the biomechanical constraints of body size, paving the way for the evolution of larger sizes in archosaurs—a ...

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. In ...

A bizarre crocodile relative from the age of dinosaurs is rewriting what scientists thought they knew about ancient reptiles. This poodle-sized creature, called Sonselasuchus cedrus, appears to have ...

Despite Earth's most devastating mass extinction wiping out over 80% of marine life and half of land species, a group of early reptiles called archosauromorphs not only survived but thrived, venturing ...

An international exhibition in New York explores the fascinating world of prehistoric flying reptiles, the pterosaurs who ruled the skies when dinosaurs ruled the earth millions of years ago.

For more than 500 million years, Earth's oceans have been home to enormous creatures unlike anything seen on land. From colossal invertebrates and armored fish to giant marine reptiles and today's ...

PARAISO DO SUL, Brazil, Nov 27 (Reuters) - When physician Pedro Lucas Porcela Aurelio unearthed a fossil in Brazil's southern Rio Grande do Sul state in 2014, he could barely imagine his discovery ...

Earth was a terrifying place during the Cretaceous period, some 66 million to 145 million years ago. During its tail end, Tyrannosaurus rex prowled the land. And a little before that, another kind of ...