Add Yahoo as a preferred source to see more of our stories on Google. Scientists excavate dinosaur egg nests in Mongolia's Eastern Gobi Basin. National Geographic Explorer Lindsay Zanno and her team ...

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 ...

This video presents a complete timeline of prehistoric sharks, tracing their origins back more than 400 million years. Viewers see how early, primitive species evolved into some of the most efficient ...