A sleepy koala may seem worlds apart from a giant Ice Age predator, but scientists have uncovered the first molecular ...

Archaeotherium, or North American "hell pigs," had different feeding strategies depending on their size, according to ...

She was like a bear escaped from the pit, like a lion let out of a small service lift: five feet tall, and all of it claws.” Can our gentle hero and his vengeful friend untangle the royal murder ...