Paleontologists have long wrestled with how to differentiate between male and female dinosaurs based on their fossils. But new research may bring scientists closer to identifying the sex of one group ...

Learn more about the pervasive tail injuries in “duck-billed” hadrosaurids, which were probably a product of aggressive ...

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 ...

At Dinosaur Ridge, researchers uncovered a remarkable and unusual site where dinosaurs gathered and performed mating dances over 100 million years ago—and it might be the largest “lekking” area ever ...