A tourist guide at Yellowstone filmed a wolf chasing after an elk for about 3.5 to 4 miles.

Footage shows part of a wolf-versus-elk pursuit that also has bison taking cover.

After hours of watching Yellowstone elk herds through a spotting scope, Scott Creel noticed a few interesting things. When wolves appeared, the elk turned skittish. They spent more time on alert – ...

Fear of death or injury keeps humans well away from dangerous places or risky situations, so it seems reasonable to assume that wild prey species will do the same when it comes to avoiding their ...

The Minnesota State Cattlemen's Association has deer, elk and wolf-related damage concerns near the top of their priority list for another year. Elk destroying fences or plundering crop fields remains ...

A Wyoming ecotour guide this week shared suspenseful footage showing a wolf trying to run down a large elk in Grand Teton National Park. “There is an undeniable power in both these species of animals ...

WILDLIFE — Wildlife officials have tallied a 24 percent increase in the size of an elk herd that migrates between Yellowstone National Park and Montana. But they say it’s too soon to know if the ...

Add Yahoo as a preferred source to see more of our stories on Google. In video captured by a wildlife guide, the wolf is seen giving chase before regretting its decision. | Credit: Getty Images Most ...

Farmers whose livestock is killed by wolves or whose crops and fences are damaged by elk would see continuing help from the ...

A new study chronicles an evolutionary tie between wolves and when bull elk shed their antlers. What happens when you mix a biologist who studies beetle horns with scientists who spend their time ...