Were Dinosaurs Social Creatures?

About 142 million years ago, two carnivorous dinosaurs wandered along a beach and left their large footprints behind in the sand, a new study finds. These footprints, now fossilized, are helping researchers understand what types of dinosaurs lived in what is now modern-day northern Germany. The tracks show that one dinosaur was large, and the other small. Their prints suggest they walked at a slow, strolling pace — about 3.9 mph for the large one and about 6 mph for the little one.

Read the full story at Live Science