Earth’s history is filled with incredible milestones, and the emergence of the first animals is one of the most captivating.

Fossilized footprints and tracks dating back 50 million years ago discovered at the John Day Fossil Beds National Monument ...

A team of scientists found prehistoric animal footprints that indicate how creatures behaved in Oregon as far back as 50 ...

The federal agency reported that “fossil track specialist” Conner Bennett led other scientists in utilizing 3D imaging ...