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

Seventy-three million years ago, in Alaska's dark and frozen landscape, a group of small, rodent-like creatures was quietly ...

Today’s mammals are the product of 200 million years of evolution, but scientists aren’t sure exactly how features of modern mammals came to be. A twin pair of studies published in the journal tackles ...

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See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. Two brand-new species of early mammals from the Jurassic period have ...

Add Yahoo as a preferred source to see more of our stories on Google. an illustration of two mouse-like animals in a forest, with a stegosaurus walking by and a mosquito flying over them “For ...

Today's Arctic may feel remote and desolate, but more than 70 million years ago, it was a surprisingly lively place for some ...

A UW-led research team uncovered the fossil of a 75-million-year-old mammal that was roughly the size of a golden hamster, ...

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 ...

Creepy collector she is not; Cooke's quest for canines, incisors, and molars is driven by a desire to better understand Earth's past. Give this intrepid paleontologist a fossilized tooth, and there's ...

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