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 ...

Before long-necked dinosaurs like Brontosaurus grew into their giant bodies, they began as baby dinosaurs with some unusual facial features that changed as they aged, according to a new study. Before ...

A 66-million-year-old fossil of a complete baby dinosaur in its egg, apparently just a few days before it would have hatched, shows the remarkable similarities between theropod dinosaurs and the birds ...