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 ...

New research in the Journal of Human Evolution suggests that the ancient ‘Lazarus’ primate was North America's last until ...

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 ...