The discovery of a new thick-skulled dinosaur the size of a large dog may challenge our image of a pre-historic Earth dominated by supersized lizards, a study said.
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Scientists said they are a step closer to proving the death blow for dinosaurs 66 million years ago was a gigantic comet or asteroid that struck near Mexico.
Up to a third of dinosaur ‘species’ are actually the juveniles of other species, says Jack Horner. We join the dino hunter in the badlands of Montana.
Rare fossilised handprints of a carnivorous dinosaur have helped answer questions about the orientation of limbs which later evolved into wings in birds.