Researchers have discovered evidence of one of the largest dinosaur mating "dance arenas" in present-day Colorado. Previous studies have identified a couple of "dinosaur lek" areas -- where male ...

If you could travel back in time to the Cretaceous period, between 145 million and 66 million years ago, you would have witnessed a wonderful sight just 20 miles from what we now call Denver, Colorado ...

Roughly 100 million years ago, amorous male dinosaurs congregated in what is now Colorado to strut their stuff in hopes of impressing potential mates. That’s the scene paleontologists now say played ...