A rice farm in southern Brazil was just found to be home to the fossil of one of the missing links between the ground-based ...

The largest and most diverse group of Triassic aquatic reptiles gave birth to live young, researchers report in this week's Nature. The finding in sauropterygians is the first evidence of viviparity ...

Everyone knows about the mass extinction that ended the Age of Dinosaurs. About 66 million years ago, a seven-mile-wide asteroid slammed into our planet and began a mass extinction that wiped out all ...

Dinosaurs evolved from more primitive reptiles in the aftermath of Earth's biggest mass ... "Dinosaurs started small, playing ...

"Dinosaurs were latecomers to the Triassic reptile party. They showed up well after many dinosaur-looking reptiles were established across our planet." Archosaurs are reptiles that are divided ...

Earth’s continents are constantly shifting. About 252 to 199 million years ago, all the continents were actually one huge “supercontinent” surrounded by one enormous ocean. Slowly, this ...

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 ...

The reptile’s presence in what is now Arizona also revealed that the larger taxonomic group to which P. traverorum belongs was more globally widespread than previously thought. “Whoa! We have these ...

Dating to around 230 million years ago, in the Late Triassic Period, the Ischigualasto Formation in Argentina contains an array of animal remains. It shows that the environment was dominated by early ...

Scientists are suggesting that dinosaurs may have originated in regions of the modern-day Sahara desert and Amazon rainforest, areas that were once part of the southern supercontinent Gondwana. Their ...

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