A woman was killed in a mountain lion attack while hiking alone in northern Colorado on New Year’s Day. The death is the first fatal attack by one of these animals in the state since the 1990s. After ...

Mountain lions kill deer. And where mountain lions and deer are near roads there are less deer versus vehicle collisions.

A weekend outing to the Northern California woods took a horrific turn for two brothers when a mountain lion attacked them, killing one and leaving the other with traumatic injuries to the face, ...

Human DNA was found on the paws of one of the lions that was killed after authorities searched for the animals involved in the New Year’s Day death of a Fort Collins woman near Estes Park. Colorado ...

Add Yahoo as a preferred source to see more of our stories on Google. Officials say the last fatal mountain lion attack to take place in Colorado occurred in 1999. Update: Colorado officials have ...