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

A pivotal wrist bone in birds appears earlier in theropods. This could shift views on how flight evolved. An analysis of two ...

A century-old fossil long mislabeled as a caterpillar has been reidentified as the first-known nonmarine lobopodian—rewriting ...

Cut marks on a child's cervical vertebra found at Atapuerca in Spain suggests Homo antecessor was indiscriminate about ...