The fact that big dinosaurs laid tiny eggs put them at a huge disadvantage to mammals and was likely a significant factor leading to their extinction, a new study has found. Compared to mammals ...

Future studies on these eggs could reveal more about the reproductive biology of Late Cretaceous theropod dinosaurs, study co-author Fenglu Han, a paleontologist at China University of Geosciences ...

On the other hand, the smallest egg belonged to the platypus at approximately 1.5cm in diameter. A dynamic time tunnel displays the Golden Age of Dinosaurs. I jumped on the back of the animated ...