The shift from lizard-like sprawl to upright walking in mammals wasn’t a smooth climb up the evolutionary ladder. Instead, it ...

The adaptive landscape of posture evolution in mammals and their ancestors. Living and fossil species with sprawling vs upright postures occupy different adaptive peaks.

Isolation allows creatures to thrive as their relatives perish due to the threats present on much larger landmasses ...

A prehistoric lizard the size of a raccoon has just been identified in southern Utah. This specimen, named Bolg amondol, ...

When Hank Woolley cracked open a jar labeled simply “lizard,” he didn’t expect to meet a monster. Inside, stored for years in ...

The skies were empty for most of Earth’s history, but then light‑boned reptiles mastered powered flight roughly ...

The transition from sprawling (reptile-like) to more upright (parasagittal) posture and locomotion was a transformative event in mammalian evolution ...

Scientists have long wondered how mammals, including humans, evolved to walk with their legs under their bodies instead of ...

First study to explore how ancient reptiles spread across the Earth after the end-Permian mass extinction. New research ...

Around 220 million years ago, shifting climate conditions created an environment that allowed pterosaurs to evolve and take ...

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