WASHINGTON (Reuters) - One of the traits that helped make the dinosaurs such an evolutionary success story - thriving for 165 million years - was their fast growth rate, from massive meat-eaters like ...

WASHINGTON (Reuters) - The dinosaur group called theropods included the largest land meat-eaters ever on Earth - up to the size of a school bus. But there also were theropods the size of a tabby cat ...

WASHINGTON — The discovery of the oldest dinosaur embryos ever found is enabling scientists to piece together the lifetime growth of a long-necked giant that lived 190 million years ago. Years of ...

For more than two decades, a small dinosaur from China has left scientists scratching their heads. Known as Liaoningosaurus ...

There is much to marvel about dinosaurs — their diversity (well over a thousand species), their adaptability (swamps to deserts, mountains to shorelines), the length of their reign as top terrestrial ...

Dinosaurs have left a wealth of information behind in their fossils, including how they defended themselves, what they ate and sometimes even how they died. But when these beasts bit the dust, did ...

Research on the Anchiornis specimen reveals hidden feather structures that contradict old theories on dinosaur flight. Scientists are now re-evaluating how and when animals first took to the skies.