The Surprising Super Predator FearYou might think kangaroos and wallabies would be most afraid of Tasmanian devils or wild ...

Epicyon haydeni, or Hayden’s bone-crushing dog, roamed North America between 12 and 6 million years ago during the middle to late Miocene epoch. Its fossils have been discovered in at least 12 ...

Their lighter skulls and flexible joints weren’t built for bone-crushing power. Instead, these predators likely attacked by slashing at prey, inflicting repeated wounds until the animal weakened.

Mongol Derby riders face days of illness, injury in the name of glory. The Mongol Derby is a bone-crushing sprint through more than 600 miles of rugged Mongolian Steppe. Shown here is Devan Horn, a 20 ...