The evolutionary journey from primitive plesiadapiforms to early primates during the Paleocene and Eocene epochs represents a critical chapter in mammalian history. Fossil records from these periods ...

A recently discovered fossil of a giant penguin with a body length of around 150 centimeters has been described in a new article. The new find dates back to the Paleocene era and, with an age of ...

It was 39 summers ago that I first came to the Bighorn Basin in northern Wyoming to do paleontological fieldwork. I was just out of high school then, had no experience collecting fossils and felt ...