The species went extinct about 12,000 years ago. Scientists have discovered a pristine fossil of a mummified saber-toothed kitten that had been frozen in the Russian tundra for about 37,000 years.

For some 37,000 years, the soft, furry body of a three-week-old saber-toothed 'kitten' lay cradled by Arctic permafrost, its head, limbs, paws, and torso remaining almost perfectly preserved by ...

For some 37,000 years, the soft, furry body of a three-week-old saber-toothed 'kitten' lay cradled by Arctic permafrost, its head, limbs, paws, and torso remaining almost perfectly preserved by the ...