Dinosaurs may have vanished millions of years ago, but their teeth still carry a message from Earth’s distant past. A team of scientists from the Universities of Göttingen, Mainz, and Bochum has shown ...

A new study published in Proceedings of the National Academy of Sciences (PNAS) uncovers how the fossilized teeth of dinosaurs can act as precise indicators of Earth’s ancient climate. By analyzing ...

Trapped in the enamel of fossilized dinosaur teeth is a fascinating glimpse into the Earth's atmospheric past stretching back 150 million years. A recent study shows that carbon dioxide levels back ...

A previously untapped source of data sheds new light on the climate of the early Earth: fossilized dinosaur teeth show that the atmosphere during the Mesozoic era, between 252 and 66 million years ago ...

TEMPE, Ariz. — A team of scientists from Arizona State University has uncovered a collection of fossilized teeth at a field site in Africa that are believed to belong to a newly discovered species.

Imagine a sloth. You probably picture a medium-sized, tree-dwelling creature hanging from a branch. Today's sloths—commonly featured on children's backpacks, stationery and lunch boxes—are slow-moving ...

TORO TORO, Bolivia — Legend once had it that the huge, three-toed footprints scattered across the central highlands of Bolivia came from supernaturally strong monsters — capable of sinking their claws ...