New minuscule fossils of Purgatorius, the earliest-known relative of all primates—including humans—have been unearthed in a ...

A sediment-washing “bubbler” helped researchers recover 65.5-million-year-old teeth that illuminate how early primate ...

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

New, miniscule fossils of the earliest-known relative of all primates, including humans, Purgatorius, have been unearthed in a more southern region of North America than ever before – and the ...

Tiny, tooth-sized fossils have just reshaped the story of our deepest ancestry. Paleontologists have discovered the southernmost remains ever found of Purgatorius—the earliest-known relative of all ...

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

A new study explains how climbing down trees helped shape upright posture in early primates and changed the course of evolution.

The evolutionary journey from primitive plesiadapiforms to early primates during the Paleocene and Eocene epochs represents a critical chapter in mammalian history. Fossil records from these periods ...

Researchers have shed new light on the features that enable tree-dwelling mammals to move effectively through their ...

Learn about the different ways mammals descended from trees and what this can tell us about early primate evolution.

AMSTERDAM — Kissing did not begin with star-crossed human lovers but with the primate ancestors of great apes around 20 million years ago, according to a study published on Wednesday. Researchers from ...

A monkey descending a tree trunk often keeps its head up, moving almost like a cautious climber backing down a ladder.