Mirasaura teaches us that a feather is only one of the many wondrous things that reptiles evolved to grow out of their skin,” ...

Remarkable fossils found in North Greenland have helped researchers solve a 500-million-year-old puzzle surrounding ...

Scientists found a 247-million-year-old reptile, Mirasaura grauvogeli, with a feather-like crest that lived in trees.

A fossilized brain from a 500-million-year-old sea creature shows unexpected spider-like features, hinting that spiders and their kin may have evolved in the ocean—not on land.

In a first-of-its-kind experiment tracing evolution across 25 generations, scientists have discovered that marine ...

A tiny, overlooked wrist bone called the pisiform may have played a pivotal role in bird flight and it turns out it evolved ...