The sabertooth cat (Smilodon fatalis), one of the most iconic extinct mammal species, was likely to be a social animal, living and hunting like lions today, according to new scientific research. The ...

BUFFALO, N.Y. -- Cringe. That's what most people do when they look at fossils of the impressive, eight-inch-long canines of the now extinct sabertooth tiger, Smilodon fatalis. But Frank Mendel, a ...