Some small dinosaurs sat on their eggs like birds to keep their growing babies warm and protect them as they developed. But what about bigger nesting dinosaurs? How does a beast weighing more than a ...

Comparison of medium-sized and giant oviraptorosaurs nesting. The smaller one distributes its weight over both the eggs and the central opening of the nest during incubation. The giant individual ...

Twenty-five years ago, a mysterious egg was discovered. For a good portion of that time, the unknown specimen that failed to hatch has been studied by paleontologists of the University of Calgary in ...