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

“Ankle bones of Purgatorius exhibit features that indicate it lived in trees, so we initially thought its absence south of Montana could be related to the sweeping devastation of forests from the ...

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 ...

A monkey descending a tree trunk often keeps its head up, moving almost like a cautious climber backing down a ladder. Squirrels and many other mammals, by contrast, tend to go headfirst.

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

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

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

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, ...

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

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Our recent research suggests that twins were actually the norm much further back in ...

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, ...

Twins have been rare in human history and for that reason can seem special. Many cultures associate twins with health and vitality, while others see them as a philosophical reminder of the duality of ...