Dinosaurs long dominated Earth's land ecosystems with a multitude of forms including plant-eating giants like Argentinosaurus ...

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

A new paper suggests that we may finally know where dinosaurs came from. Now, researchers just have to prove it.

Roughly 201 million years ago, drastic changes extinguished many forms of life and led to conditions that allowed the ...

To account for the numerous gaps in the fossil record, they treated the parts of the world where fossils have not been ...

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

Scientists have made new discoveries about the origins of dinosaurs, suggesting they first emerged in dry, arid regions of ...

The remains of the earliest dinosaurs may lie undiscovered in the Amazon and other equatorial regions of South America and ...

New research suggests that the earliest dinosaurs may have originated in equatorial regions of Gondwana, encompassing the ...

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

Research suggests dinosaurs first appeared in the ancient Gondwana supercontinent, including areas that are now the Amazon ...

Fossils identified as a new species after being discovered in Wyoming are estimated to be around 230 million years old.