A newly discovered prehistoric mammal may hold clues to how life survived the dinosaur-killing extinction. The tiny species, ...

Coincident with the rise of the dinosaurs, a large landmass filled most of the Arctic circle, potentially contributing to ...

Birds are living dinosaurs whose ancestors include T. rex and giant penguins. Understanding their past can help us imagine ...

Between 50,000 and 10,000 years ago, many of the world's largest mammals disappeared. Picture creatures like saber-toothed ...

In the fourth episode of our Stones & Bones video series, National Geographic digital editor Nicholas St. Fleur examines the ...