Scientists have found evidence that the Dilophosaurus' skull served as scaffolding for powerful jaw muscles, shattering the image of the dinosaur as more fragile and svelte that has been promoted ...

And bigger herbivores meant bigger meat eaters, too. Predators, like the Dilophosaurus, got to be 6 meters long! But they were no match for the real giants of the era: prosauropods. Now ...