A previously unexploited source of information is now throwing new light on the Earth's climate during the age of dinosaurs. Fossilized dinosaur teeth show that concentrations of carbon dioxide in the ...

A prehistoric digestive time capsule has been unearthed in Australia: plant fossils found inside a sauropod dinosaur offer the first definitive glimpse into what these giant creatures actually ate.

With studies of fossilized bones, gut contents, eggshells and more, paleontologists revealed new and captivating details about the enormous reptiles that once roamed the Earth Newly discovered species ...