It may have been suicidal for a predator to go after a healthy adult Brachiosaurus, a behemoth weighing perhaps 60 tons that was a member of the long-necked group of dinosaurs called sauropods that ...

New research shows that baby dinosaurs played a crucial role in feeding Jurassic predators and keeping ancient ecosystems ...

The analysis showed that young sauropods, not their colossal parents, were the most common prey for carnivorous dinosaurs.