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During the Triassic period nearly 250 million years ago, a small reptile scurried after insects in the canopy of a lush ...

Since the first sharks emerged in the world’s oceans nearly half a billion years ago, the world has gone through five major ...

A remarkable finding has surfaced in the colorful, fossil-rich badlands of Arizona’s Petrified Forest National Park: North America’s oldest known pterosaur. The newly identified species — a flying ...

New clues from ancient seas are reshaping what we know about mass extinction and the future of our oceans. In a recent ...

By simulating the movement of two continent-sized Big Lower-Mantle Basal Structures, or BLOBs, researchers may have uncovered ...

A prehistoric carbon spike turned oceans deadly and wiped out marine life. Scientists say today’s CO₂ rise could cause the ...

Smithsonian researchers have linked discoveries within Arizona’s Petrified Forest National Park with a previously unknown ...

Roughly 252 million years ago, Earth experienced its deadliest known extinction. Known as the Permian–Triassic Mass ...

A rare Triassic fossil site reveals North America's oldest known pterosaur, Eotephradactylus mcintireae, in what was once a ...

That “means that the assembly of modern vertebrate communities was not the direct result of the end-Triassic extinction, and had been taking place well before it,” he said.