Most of us imagine dinosaurs as the huge, towering prehistoric beings that once walked the Earth. But it turns out that dinosaurs were actually a wide range of sizes — and some of them weren’t much ...

This video ranks a wide range of dinosaurs by comparing their physical traits, behaviors, and ecological roles. Factors such as size, speed, intelligence, weaponry, and defense are examined in direct ...

Remains of a petite dinosaur reveal that some of the ancestors of birds had already shrunk in size before flight evolved. The dinosaur, a mere 2 feet long (70 centimeters) and weighing the equivalent ...