Roughly 425 million years ago, in the warm seas over what is now southern China, there lived a meter-long bony fish with jaws ...

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

A fossil skull barely 1 inch long has proved to be a newborn reptile from Brazil’s Late Triassic, a period more than 230 million years ago when early reptiles dominated land ecosystems. Its tiny jaw ...

Scientists have described Tanyka amnicola, a newly identified species of prehistoric creature that lived 275 million years ...

This little critter hadn’t previously been identified south of Montana, but tiny, fossilized teeth show it had traveled into Colorado by around half a million years after the dinosaurs were wiped out.

At a remote and barren Sahara desert site in Niger, scientists have unearthed fossils of a new species of Spinosaurus, among the biggest of the meat-eating dinosaurs, notable for its large ...

In a dry riverbed in Brazil, in a dense forest near the Amazon, a team of paleontologists found a fossilized jawbone from an ...

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 ...

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

Fossil teeth unearthed in Ethiopia suggest two distinct human ancestor species lived alongside each other between 2.6 and 2.8 million years ago, reshaping what is known about our evolution. The 13 ...