Researchers have unearthed the tiny, fossilized teeth of the earliest-known relative of primates, pushing its range further south than ever before and giving us new insights into how it spread through ...

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

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

Tiny fossil teeth from Colorado are revealing new clues about the very first relatives of primates, including humans.

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

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 ...

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

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 ...

AUSTIN, Texas, October 20, 2008 (ENS) - More than 43 million years ago, when tropical forests and active volcanoes covered west Texas, primates chose to live there in preference to cooler northern ...