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

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 ...

The end for these rhinos came from the slow suffocation and starvation caused by the fallout of ash from a massive Yellowstone eruption.

The animals were slowly killed by ash falling from the Yellowstone supervolcano, but it preserved their bodies and has ...

They lived during the Late Jurassic (164 to 145 million years ago) and Cretaceous (145 to 66 million years ago) periods, and consisted of two main subgroups: the nodosaurids, which lacked tail ...

But a recent study suggests that the timeline actually stretches further back — beyond the evolution of early humans and past the age of dinosaurs — to 200 to 300 million years ago when a hot ...

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.