For example, Andrew Grass, a geoscientist digging 30 feet away, has compared the teeth of extinct species of American horses from different ... collected a few mammal fossils and a red jasper ...

Before the Spanish introduced modern horses to the New World, horses roamed wild in North America, then they disappeared, but ...

A Cambrian fossil once thought to be a mollusk ancestor is now identified as a chancelloriid relative, reshaping ideas about ...

Thousands of fossils from the La Brea tar pits in California show no signs of mammals and birds evolving in response to ...

The Chicago Archaeopteryx provides rare 3D insights into skull evolution, soft tissue structure, and the first evidence of ...

A new study suggests two fossil trackways found in Australia were made by an early amniote, a group that today includes reptiles, birds and mammals ...

The first Archaeopteryx fossil, which showed reptile and bird-like features, supported Charles Darwin’s ideas on evolution and showed that birds evolved from dinosaurs. The new study was able to ...

The scientific team analyzed genomes from 67 ancient horse fossils found across Beringia, Siberia, and continental North America, dated them with radiocarbon and isotopes, and compared the data to all ...

Scientists used enamel proteins from 2-million-year-old teeth to find unexpected variation in Paranthropus robustus.

The emergence of four-legged animals known as tetrapods was a key step in the evolution of many species today – including humans. Our new discovery, published today in Nature, details ancient fossil ...

For the first time, scientists have discovered fossil evidence of an endangered, living tropical tree species. The unprecedented find was made in Brunei, a country on the large island of Borneo ...