In the case of two mountain bikers on a trail in Lake Forest, California, they came face-to-face with a mountain lion earlier ...

A bit of luck and good timing for a photographer produced this photo. — -- Mountain lion sightings are becoming an increasingly common occurrence in populated areas of Southern California, but ...

Mountain lions are fierce predators that rule their territory with sharp claws and powerful jaws. But even these big cats have rivals in the wild who can challenge their dominance. Some animals ...