Learn how this Argentine fossil documents one of the first Jurassic brachiosaurids from South America and reveals unexpected ...

Sixty-six million years ago, two genera of long-necked, quadrupedal dinosaurs had an advantage over other sauropods: they could easily stand on their hind legs for extended periods. This allowed them ...

A nearly complete 90-million-year-old dinosaur fossil, Alnashetri cerropoliciensis, is turning evolutionary theories upside ...

BUENOS AIRES, Argentina – Dinosaur fossils found in Patagonia provide the first evidence that long-necked, whip-tailed diplodocid sauropods survived well beyond the Jurassic period, when they were ...

The early radiation of sauropodomorphs in the Carnian of South America -- Non-sauropodiform plateosaurians: between biped gracile and robust quadrupedal -- Non-gravisaurian Sauropodiformes of South ...

The evolution, biology, and discovery of the dinosaurs and other prehistoric animals that lived in South America. Inspired by Sir Arthur Conan Doyle's Lost world. "More than a hundred years ago, Sir ...

The discovery of a spectacular fossil site in Argentina is helping shed new light on life at the end of the Cretaceous, the time period just before the non-avian dinosaurs went extinct. New research ...

(ABC NEWS) — Paleontologists have found tens of thousands of dinosaur tracks in South America, which offers evidence as to which species were traveling via an ancient coastline. A total of nearly ...

Rachael has a degree in Zoology from the University of Southampton, and specializes in animal behavior, evolution, palaeontology, and the environment. Rachael has a degree in Zoology from the ...

Sixty-six million years ago, two genera of long-necked, quadrupedal dinosaurs had an advantage over other sauropods: they could easily stand on their hind legs for extended periods. This allowed them ...