Sabre teeth — the long, sharp, blade-like canines found in extinct predators such as Smilodon — represent one of the most ...

Scientists stalking a small marsupial through a remote Australian rainforest say they may have found a clue to the mystery of why its bigger kangaroo cousins hop instead of walk. Kangaroos and ...

Kangaroos, closely related wallabies are the only large animals to hop upright on two legs A small musky rat-kangaroo, a bush-dwelling marsupial weighing about the same as a loaf of bread ...