A fossilized dinosaur egg discovered in central India has turned out to be even stranger than it first appeared. Inside the stone shell, researchers identified the remains of a second egg, nested like ...

An unprecedented fossil of a baby dinosaur curled up perfectly inside its egg is shedding more light on the links between dinosaurs and birds. The 70-million-year-old fossil preserves the embryonic ...

A grapefruit-sized dinosaur egg from a fossil bed in China gave paleontologists a huge surprise. Rather than a dinosaur embryo or sediment, it was filled with sparkling crystals of calcite lining the ...

Hands wearing knitted gloves hold a small drill in one hand and a rubber bulb in the other. The instruments are poised over a fossilized dinosaur egg. A researcher takes a sample from a dinosaur egg ...