An extinct relative of the howler monkey may have been the first leaf-eating primate in South and Central America ...

The story of primates is a tale of incredible variety and ancient roots, told through the lens of science, DNA, and time itself. These creatures, ranging from massive gorillas to tiny mouse lemurs, ...

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

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 ...

Scientists have discovered new fossil teeth of the earliest known primate relative, Purgatorius. The find shows how ancient ...

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, ...

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

Sixty-six million years ago, a massive asteroid smashed into Earth. Life has undergone at least five mass extinctions in the ...

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

A fossil that would fit on a baby’s fingertip has revealed fresh clues about the evolution of the earliest-known relative of ...

Primate locomotion and evolution encompass the diverse adaptations that have enabled primates to negotiate complex arboreal environments. Throughout their evolutionary history, primates have acquired ...