It is one of the most densely concentrated dinosaur tracks found in the country. Dozens of dinosaur footprints embedded in a boulder were found hiding in plain sight at a school in Australia ...

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 ...

One fateful day 66 million years ago, the dinosaurs — which had inhabited Earth for about 165 million years — got a nasty surprise: A roughly 9-mile-wide (15 kilometers) asteroid crashed into ...