Oldest primate fossils indicate our ancestors walked with dinosaurs

An artist’s illustration of Purgatorius mckeeveri, a newly described species of early primate Andrey Atuchin Researchers have identified the oldest known fossils of primates, dating them to around 65.9 million years ago. That’s just after one of Earth’s biggest mass extinction events, and it suggests that the ancestor of all primates originally lived alongside the dinosaurs. About 66 million years ago, a gigantic asteroid (or perhaps comet fragment) slammed into the Earth, changing it forever. Around three quarters of all…