Dinosaurs had sex. Fossil nests and eggs, as well as the ways today’s birds and crocodiles reproduce, leave no doubt on that ...

Scientists think they know where the missing pieces to the puzzle of the evolution of dinosaurs could be found.

based on the locations of the currently oldest-known dinosaur fossils, the evolutionary relationships among these early forms ...

Many think dinosaurs first emerged on land well south of the equator that now forms part of Argentina and Zimbabwe, but they ...

The first dinosaurs may have evolved near the equator, and not in the southwest of the supercontinent Gondwana, as ...

By assessing the fossil record and the dinosaur family tree, the researchers’ models suggest that the first dinosaurs evolved ...

In the latest days of the Triassic, early dinosaurs lived alongside giant amphibians, gharial-like phytosaurs and an array of crocodile relatives that took forms ranging from armadillo-like to ...

A newly discovered fossil reveals a dramatic Cretaceous encounter between a crocodile and a young pterosaur named Cryodrakon ...

Study suggests dinosaurs originated in the Amazon, but their fossils are missing. They started as small, bipedal creatures in ...

Scientists have long been puzzled about the origins of dinosaurs. Recent research suggests a surprising location based on the oldest-known dinosaur fossils, evolutionary relationships, and Triassic ...

The mystery behind the origins of the dinosaurs may have been given a new twist, with a modeling study suggesting they may have evolved in what is today equatorial Africa and South America. This would ...