The Mesozoic Period produced some of the largest and most unusual herbivores ever to walk the Earth. Fossils reveal ...

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When dinosaurs roamed Earth, their surroundings looked very different than the world of today. But there were also some similarities. And now scientists have confirmed a new one: Diverse firefly ...

The Mesozoic era, traditionally renowned as the age of dinosaurs, also marks a period of remarkable innovation in the evolution of early mammals. Mammaliaforms diversified into a variety of ecological ...

A ‘one of a kind’ fossil discovery could transform our understanding of how the unique brains and intelligence of modern birds evolved, one of the most enduring mysteries of vertebrate evolution.

When people think of prehistoric life, they tend to jump to two behemoth bookends — the towering dinosaurs of the Mesozoic era and then the woolly mammoths of the ice age. But what about the millions ...