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 ...

Dinosaurs are famous for being big, from the towering Tyrannosaurus rex to the colossal Apatosaurus. But a new study published today in the journal Evolution by scientists at the American Museum of ...

Dinosaurs conquered the land at enormous sizes, but strangely, they almost never evolved into truly tiny animals. New research suggests that physiology alone can’t explain this missing miniature end ...