Nature can be a dangerous place, even for animals that seem borderline invincible. For instance, hippos may be massive mountains of muscle with a gaping maw, but that doesn't stop a sufficiently ...

Animals protect themselves from being eaten by other animals in countless ways. Some are commonplace. Others are unconventional. Camouflage and running are well-known defenses. Not being seen by a ...

Across North America, mountain lions, bears and gray wolves have made a remarkable comeback over the last 50 years. Once nearly exterminated, these animals have been recovering their populations and ...