A newly described Patagonian fossil reveals the evolutionary origins and global spread of the tiny alvarezsaur dinosaurs.

WASHINGTON (Reuters) - Dinosaurs long dominated Earth's land ecosystems with a multitude of forms including plant-eating giants like Argentinosaurus, meat-eating brutes like Tyrannosaurus and weirdos ...

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 ...

Ancient fossils of the world's very first dinosaurs may be buried in places almost impossible to investigate, according to new research from University College London and the UK's Natural History ...

Did dinosaurs live in Alabama? Fossils, museum finds and the famous Selma dinosaur egg reveal the state’s prehistoric past.

For more than two centuries, scientists have argued over where dinosaurs came from and how a scattered set of bones turned into a global dynasty. After decades of fieldwork and lab work, a clearer ...

The remains of the earliest dinosaurs may lie undiscovered in the Amazon and other equatorial regions of South America and Africa, suggests a new study led by UCL (University College London) ...

The discovery may push back the emergence of the reptiles that once ruled the Earth, and clarify how dinosaurs like the Triceratops and Stegosaurus emerged. By Asher Elbein A dog-size reptile slipped ...

A sweeping narrative scientific history that tells the epic story of the dinosaurs, examining their origins, their habitats, their extinction, and their living legacy. Print run 75,000. "The dinosaurs ...