With two massive canines, an L-shaped jaw, and a pouch to carry its young, the saber-toothed marsupial Thylacosmilus atrox sounds like an evolutionary Madlib. But researchers have now described an ...

As such, the diet of T. carnifex spawned heated debate for years: Paleontologists speculated that this ancient marsupial gnawed on everything from crocodile eggs to melons.And while the carnivore ...