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They've evolved at least five times in mammals, most notably in the saber-tooth cat Smilodon, who sported serrated sabers that could measure nearly one foot long. But behind the fearsome ...

A mechanical analysis of the distinctive canines of California's saber-toothed cat (Smilodon fatalis) suggests that the baby tooth that preceded each saber stayed in place for years to stabilize ...

Woolly mammoths, giant sloths and saber-toothed cats were a fact of life for early humans. But today’s researchers can only hope to find fossils that will shed more light on the existence of ...

These long, blade-like canines seem almost perfectly optimized to kill prey. They've evolved at least five times in mammals, most notably in the saber-tooth cat Smilodon, who sported serrated sabers ...