Photographers have been staking out positions in the National Elk Refuge in Wyoming’s Teton County, hoping for a rare opportunity to glimpse a mountain lion that has been spotted sporadically in ...

"The largest elephant ever. It doesn't matter if they are a dream or reality." National Geographic's latest documentary film, "Ghost Elephants," follows Nat Geo explorer Steve Boyes to locate the ...

A woman hiking near Rocky Mountain National Park was killed by a mountain lion on New Year’s Day, according to an autopsy released Jan. 5. The hiker, identified as Kristen Marie Kovatch of Fort ...

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.

In the last two years, National Geographic Explorer Paul Salopek traversed the Chinese countryside, marched along the Korean Demilitarized Zone and fended off grizzly bears in Alaska. Now, his ...