Fossils tucked away in a museum drawer and identified merely as "feline" are actually from a very ancient and enigmatic saber ...

A nearly complete skull unearthed decades ago in Arizona has given paleontologists their clearest look yet at Adelphailurus ...

The famous saber-tooth cat that lived in North America beginning about 2 million years ago survived by ambushing prey such as ...

Eutherian mammals living in China after the end-Cretaceous extinctions evolved larger tooth sizes first before becoming more specialized in their biting performance, mirroring a similar pattern in ...