Fossils tucked away in a museum drawer and identified merely as "feline" are actually from a very ancient and enigmatic saber-toothed cat that inhabited North America more than 5 million years ago.

Add Yahoo as a preferred source to see more of our stories on Google. An artist’s rendering of what the early saber-toothed cat, ‘Adelphailurus kansensis,’ might have looked like in its heyday 5 ...

Therapsids, the ancient relatives of mammals, once roamed Earth in great numbers during the middle to late Permian period. These land-dwelling creatures would later evolve into mammals, but their ...

Learn about a surprise find of an early saber-toothed cat skull in a museum drawer, revealing how the teeth of ancient cats evolved. Fossils of a saber-toothed cat that roamed North America more than ...

Fossil excavations have been conducted at the La Brea Tar Pits in Los Angeles, USA, since the early 20th century, and a large number of fossils of Smilodon fatalis (Smilodon), a species of ...

An artist’s rendering of what the early saber-toothed cat, Adelphailurus kansensis, might have looked like in its heyday 5 million years ago. About the size of today’s mountain lions, the cats already ...

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