A Fallbrook family got an unexpected and unsettling surprise this week when a mountain lion turned up in a backyard trap set ...

Biologists have reported a baby boom of cougar kittens in the Santa Monica Mountains, west of Los Angeles. They say 13 baby mountain lions were... Scientists Report Mountain Lion Baby Boom In ...

A solo hiker who authorities believe was killed by a mountain lion on a remote Colorado trail on New Year's Day was not the first person to encounter one of the predators in the area in recent weeks.

Add Yahoo as a preferred source to see more of our stories on Google. The woman found unresponsive by hikers on a trail near Glen Haven on Jan. 1 died from injuries consistent with a mountain lion ...

Colorado Parks and Wildlife tell me they've killed 2 mountain lions in this area, and they're testing both of them for human DNA. I've never even seen *** mountain lion myself, and I'm out here all ...