About 150 million years ago, the land that is now the western United States was alive with dinosaurs. New research shows that the smallest members of the biggest dinosaurs played a huge role in ...

New research shows that baby dinosaurs played a crucial role in feeding Jurassic predators and keeping ancient ecosystems ...

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 ...

Babies and very young sauropods—the long-necked, long-tailed plant-eaters that in adulthood were the largest animals to have ...

A single tiny footprint, pressed into mud roughly 100 million years ago, has given paleontologists an unexpectedly intimate look at how a baby stegosaur moved. Preserved in stone and only a few ...