This article examines the fastest dinosaurs from the Mesozoic era, exploring their anatomical ... was another ornithomimid topping this list. With its long legs and lightweight build, it could ...

Studies of the horns, spikes, plates and clubs of dinosaurs could help settle a long-standing debate over their function ...

Maiasaura’s inclusion in the list of smartest dinosaurs is largely due to evidence of its complex social behaviors and parental care. The discovery of extensive nesting sites with well-organized ...

Non-bird dinosaurs lived between about 245 and 66 million years ago, in a time known as the Mesozoic Era. This was many millions of years before the first modern humans, Homo sapiens, appeared.

It forms the transition between the late Palaeozoic Era, which was mainly populated by synapsids, or mammal-like reptiles, and the Mesozoic Era, when the archosaurian reptiles, which includes the ...