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

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

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

Researchers found that night lizards survived the dinosaur-killing asteroid strike at the end of the Cretaceous, despite living near the impact site in Mexico.

The sprawling-upright transition across mammal evolution, showing changes in posture and limb bone shape. Magdalen Mercado, ...

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

The latest addition is the Marine Organismal Body Size (MOBS) database, an open-access resource that—as its name implies—has ...

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

The fossil itself was first spotted by paleontologist Joseph Sertich back in 2005. “ [I remember seeing] a bunch of scattered ...

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