Fossilized teeth discovered in Alaska’s far north have revealed three previously unknown mammal species that lived 73 million ...

For nearly a century, the story of early mammals has been pieced together from fragmentary, isolated teeth. However, the ancient rocks of Portugal’s Freixial Formation have recently yielded a ...

Sabre-toothed predators – best know from the infamous Smilodon – evolved multiple times across different mammal groups. A new study, published today in Current Biology reveals why: these teeth were ...

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Outliers among mammals, monotremes lay eggs instead of giving birth to live young. Only two types of monotremes, the platypus and echidna, still exist, but more monotreme species were around about 100 ...

A new study has revealed that Neanderthals possessed an unexpected and highly durable tool in their kits: the teeth of prehistoric rhinoceroses. Marks found on fossilized rhino teeth discovered in ...

Shark teeth are everywhere once people start noticing them. They turn up in fossil shops, washed along beaches, buried inside ...