The long necks of the largest dinosaurs that ever lived might have been raised high after all, a new study now suggests. The sauropod dinosaurs, which included titans such as Brachiosaurus, Diplodocus ...

An early ancestor of large, long-necked, four-legged dinosaurs like Brachiosaurus and Diplodocus was a quick, nimble biped that probably used its forelimbs to grasp its food, which included leaves, ...