The extinct South American animal made us believe it was as fierce as a saber-tooth cat, but a new study suggests it was a mere scavenger. By Matt Kaplan Smilodon fatalis has its name for a reason.

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 ...

An unusual animal with canine teeth similar to those of a saber-toothed cat and the wide-set eyes of a cow lived in South America some 5 million years ago. In order to successfully hunt prey and ...

A new study investigates how an extinct, carnivorous marsupial relative with canines so large they extended across the top of its skull could hunt effectively despite having wide-set eyes, like a cow ...

The fossilized teeth of ancient marsupials that roamed through northeastern Australia roughly 2.5 million years ago suggest these animals fed on leafy plants in a much more lush and tropical ...

A 13-million-year-old saber-toothed marsupial skeleton discovered during paleontological explorations in Colombia is the most complete specimen recovered in the region. Recent paleontological ...

WALNUT CREEK, Calif. — The recent discovery of a 66-million-year-old marsupial tooth in the Netherlands provides fresh proof that a land bridge connected the North American and European continents ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. An unusual animal ...

An unusual animal with canine teeth similar to those of a saber-toothed cat and the wide-set eyes of a cow lived in South America some 5 million years ago. In order to successfully hunt prey and ...