This documentary walks through the entire prehistoric timeline of North America, showcasing ancient seas, early reptiles, massive dinosaurs, and the ice age giants that followed. Each era brings new ...

Largely outshone by fossils of horses, the earliest camels are getting another look from scientists determined to sort out the relationships and adaptations of these “absolutely bonkers” herbivores ...

The natural history of continents -- The Canadian shield and its ancient rocks -- The interior lowlands, and the science of gently-dipping strata -- Appalachian and related systems; Paleozoic ...