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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 been discovered, revealing the secrets of how we got ...

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 ...

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 ...

Sabre-toothed predators -- best know from the infamous Smilodon -- evolved multiple times across different mammal groups. A new study reveals why: these teeth were 'functionally optimal' and highly ...

A previously misidentified Triassic cynodont has been confirmed as a new species, revealing a surviving lineage of early mammal relatives.

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