Dinosaur Eggs Are Missing Link In Egg Evolution

Recently discovered dinosaur eggs are helping researchers fill in missing gaps in the evolution of eggs.

A megalosaurid theropod overlooking its nest.

Image of the 125 Anniversary logo Studying dinosaur eggs is a lot like a big, frustrating Easter egg hunt: The eggs are rare, fragile—rainwater is acidic enough to dissolve some egg fossils—and it can be difficult to identify which dinosaur species they belong to.