With an incredible history and mysterious extinction, these fascinating creatures continue to puzzle scientists to this day.

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

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 ...

It was located at a fossil site in Morocco, which experts suggest may indicate that this is where the species may have first ...