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 ...

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.

African wildlife explorer Rob the Ranger shows how lions use teamwork during a buffalo kill to complete a feeding ritual.

Update: Colorado officials have confirmed that the hiker found dead on a trail in Larimer County on New Year’s Day was killed in a mountain lion attack. Necropsies performed by Colorado Parks and ...