The Santa Monica Mountain lions are healthy, but scientists from UCLA and the National Park Service say that could change within the next 50 years.

A 4-year-old was saved by her family after a mountain lion attacked her while they were camping in Idaho.

North Dakota's quota for mountain lions is being lowered for the first time in a decade, though the state's population isn't actually known.

Traps have been set after a mountain lion has been spotted several times over the last few weeks at the North Pole amusement park in Colorado.

Wyoming's effort to decrease mountain lion population has worked effectively, getting numbers down to where they were in 2009 and 2010.

A Colorado mother was willing to do literally anything to potentially save her son’s life — including fight a mountain lion.

New Mexico officials have ruled the man who picked up a mountain lion killed along the interstate can keep the big cat as a trophy.

A South Dakota woman is warning nearby pet owners of the dangers of mountain lions following an attack on her small dog. The incident is the most recent in a string of attacks.

Follow author Rollie Johnson journey through the Colorado mountains in search of mountain lions with the aid of several hunting dogs and handlers.

Neighbors believe they saw a mountain lion hopping a fence in Vista, California. Now, an 80-pound pit/lab mix is missing.