Saber-tooth predators have long fascinated scientists and the public alike, epitomized by the fearsome Smilodon. These animals evolved their iconic blade-like canines at least five independent times ...

Created by writer Bill Mantlo and legendary artist George Pérez, who shared the hero's Puerto Rican heritage, Ayala was a ...

Saber teeth — the large canines — are pretty fearsome. These fangs have evolved at least five times in predators that are now extinct, but there's been something of a mystery as to why.