Dinosaurs inhabited the Northern Hemisphere millions of years earlier than scientists previously thought, according to the new research.

The ornithopods are a group of dinosaurs that include Iguanodon ... "This puts an upper limit on the life of some mammals, like elephants or cows. Once their teeth are gone, the animal can ...

But what was the world like in the millions of years leading ... Susie calls them 'the cows of the Cretaceous'. While the northern hemisphere's biggest dinosaurs lived during the Jurassic, it was in ...

Well-known dinosaurs like the Triceratops “would be totally ... several ‘dwarf’ sauropods (some little bigger than a cow) were already known from European islands in the late Cretaceous.” ...

Steve was nine when Steven Spielberg’s blockbusting dinosaur movie was released ... you had mammals that were getting up to the size of cows after 150 million years of never being bigger ...