These dinosaurs were typically smaller and more agile. This enabled them to hunt effectively and evade predators, playing critical roles in their ecosystems. This article examines the fastest ...

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Now, more than a decade later, new analysis of the fossils has found that they belong to a new 73-million-year-old species, according to a study published Jan. 28 in the peer-reviewed journal ...

Dinosaurs are a group of pre-historic reptiles which lived over 140 million years ago. They took many forms, including the huge hulking plant eating brontosaurus to the fast and skilled hunters of ...