Add Yahoo as a preferred source to see more of our stories on Google. The fossil that writer Jacopo Prisco ordered online. - Toby Hancock/CNN It stands to reason that a 95 million-year-old tooth ...

Fossilized dinosaur teeth can reveal a lot more than just how these creatures ate and who they were related to – they can also tell us what the air was like in prehistoric times. As it turns out, ...

Sauropod tooth scratches reveal that some dinosaurs migrated seasonally, others ate a wide variety of plants, and climate strongly shaped their diets. Tanzania’s sand-blasted vegetation left ...