An ancient reptile fossil named Gondwanax parisiensis, dating back 237 million years, has been discovered in southern Brazil.

An "agile and lightweight" predecessor to the dinosaurs - dating back 237 million years - has been discovered in Brazil.

Scientists from Brazil say a recently discovered fossil may help explain how dinosaurs evolved and came to rule the planet.

On August 4, 1915, president Woodrow Wilson created Dinosaur National Monument. In his proclamation, he declared that the ...

Evidence suggests that “the precursors to the dinosaurs and pterosaurs were much more diverse than previously imagined.” ...

Scientists in Brazil announced the discovery of one of the world's oldest fossils believed to belong to an ancient reptile ...

So far, what Gondwanax and its fellow silesaurids reveal is that the rise of the dinosaurs wasn’t a sudden, dramatic event.

A new species of sauropod dinosaur from the Upper Cretaceous has been identified in the Lo Hueco deposit in Spain's central ...

Excavations carried out this summer in southwestern France unearthed the remains of a new species of sauropod, a giant ...

Paleontologist Rodrigo Temp Muller with Universidade Federal de Santa Maria, working with colleagues in Brazil, has confirmed ...