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

Add Yahoo as a preferred source to see more of our stories on Google. When it comes to primate species from across the globe, they don't get much cuter than the pygmy marmosets of the Amazon ...

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

Tiny mammals don’t get much attention next to elephants or whales, but their size gives them a surprising edge. These animals can squeeze into impossible places, survive on scraps, and avoid detection ...

For the first time, researchers have discovered and isolated adult stem cells from a non-human primate. This finding could transform the foundation for how we develop stem cell treatments. Stem cell ...

When it comes to primate species from across the globe, they don't get much cuter than the pygmy marmosets of the Amazon Rainforest, aka the smallest species of monkeys in the world. These little ...