In the quest to decipher the evolutionary relationships of extinct organisms from fossils, researchers often face challenges in discerning key features from weathered fossils, or with prioritizing ...

A set of fossils recovered in Rio Grande do Sul, Brazil's southernmost state, has brought an extra layer of complexity to the study of the evolutionary history of silesaurids, a family of ...

(CNN) — A badly crushed cranium unearthed decades ago from a riverbank in central China that once defied classification is now shaking up the human family tree, according to a new analysis. Scientists ...