A giant asteroid impact ended the age of the dinosaurs 66 million years ago. How did this mass extinction play out, moment by ...

Where they lived: Dinosaur fossils have been found on every continent, including Antarctica. What they ate: Some ate plants, while others ate animals, including other dinosaurs. How big they were: The ...

Dinosaurs may seem like timeless giants that ruled the Earth forever, but have you ever wondered how long they actually lived? Their lifespans weren’t all alike because some had surprisingly short ...

Dinosaurs are the extinct relatives of birds that roamed the lands and seas of ancient Earth. They first appeared around 240 million to 230 million years ago in the Triassic Period, and went extinct ...