How ancient flying reptiles ruled the skies: Study uncovers pterosaur tail structures that ...
Scientists have long puzzled over how pterosaurs became the first vertebrates to master flight. Some pterosaur species, such ...
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A bite of history: How ancient dog-like predator paved the way for all mammals
Scientists have unearthed a remarkable fossil of a gorgonopsian, a saber-toothed predator they believe to be the oldest ever discovered.