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

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.

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

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 groundbreaking study has traced the 66-million-year evolutionary history of primates and overturned conventional thought that our ancestors originally inhabited warm tropical forests. Using advanced ...

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, ...

Add Yahoo as a preferred source to see more of our stories on Google. Twins are uncommon in human history. Tesla Monson Our recent research suggests that twins were actually the norm much further back ...

The evolution of primates has long been a subject of scientific research across disciplines such as paleontology, evolutionary biology, and ecology. For decades, the dominant theory held that primates ...

Supraordinal relationships of primates and their time of origin -- A molecular classification for the living orders of placental mammals and the phylogenetic placement of primates / MS Springer, WJ ...