Scientists have discovered new fossil teeth of the earliest known primate relative, Purgatorius. The find shows how ancient primates evolved and spread across the continent. This was reported on March ...

A few teeth, smaller than a grain of rice, are changing the map of your earliest primate relatives. They come from a creature called Purgatorius, a tiny tree-dwelling mammal that lived about 66 ...

Learn how newly discovered Purgatorius fossils in Colorado’s Denver Basin are filling gaps in the Paleocene fossil record and ...

A new scientific study led by paleontologist Stephen Chester , an Anthropology professor at the CUNY Graduate Center and ...

Three tiny Purgatorius teeth found in Colorado are helping scientists trace how early primates evolved and spread across North America.

A new scientific study led by paleontologist Stephen Chester, an Anthropology professor at the CUNY Graduate Center and Brooklyn College, is shedding fresh light on how the earliest known primate ...

Ecology: Social and environmental factors associated with same-sex behaviour in primates 非ヒト霊長類（non-human primates）における同性間の性的行動は、生態学的要因、生活史、および社会構造と関連していることを報告する論文が、Nature Ecology & Evolution ...

This photograph shows two species from the study by Toussaint et al. – a raccoon (Procyon lotor) and mongoose lemur (Eulemur mongoz) – climbing on vertical supports. Researchers have shed new light on ...

When you learned about the history of human evolution in school, there's a good chance you were shown one all-too-familiar image. That picture probably showed a conga line of human-like creatures, ...