In the new study, Zollikofer and his team examined several teeth that were uncovered over 20 years ago in the Caucasus ...

Researchers agreed she was from a new species of human-like ape that they named Australopithecus afarensis, meaning “southern ape from Afar.” One of the important findings regarding Lucy’s ...

A study comparing fossil skulls and great ape anatomy reveals how temporal lobes evolved in response to social complexity and ...

One theory suggests kissing evolved from nurturing care behaviors like premastication ... mouth-to-mouth contact among human ancestors after grooming. "Great ape social behavior suggests that ...