Fossilized teeth from two ancient megafauna suggest they roamed Brazil 3,500 years ago. The find “opens the door to rewrite South American history.” ...

But the true size and shape of this extinct giant probably doesn't resemble the star of "Jaws." Scientists have long debated the true size of the megalodon (Otodus megalodon), which went extinct ...

Now researchers have found other megafauna specimens, including giant sloths and camel-like animals ... two teeth – one belonging to an extinct genus of American llama called Palaeolama major ...

Now researchers have found other megafauna specimens, including giant sloths and camel-like animals, that survived in South America up to around 3,500 years ago. This evidence raises questions ...