Fossilized footprints and tracks dating back 50 million years ago discovered at the John Day Fossil Beds National Monument could provide new insight into how prehistoric animals lived in Oregon. The ...

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

The discovery of the White Sands Footprints has made scientists question what we know about the earliest human inhabitants of ...

Footprints made tens of thousands of years ago may look like they’ve been erased by time and weather, but — like invisible ...