The real issue for these litigants is that with wolves back in the ecosystem, elk are acting like wild animals again, ...

Yellowstone National Park never fails to impress when it comes to drama, especially in the high-stakes encounters between ...

But the huge fire of 1988 ultimately produced few large trees. The elimination of Yellowstone's wolves allowed the elk to browse aspens unchecked. Finally, Ripple and Larson decided to look within ...

YELLOWSTONE NATIONAL PARK — Snow crunched ... was trailing one of the park’s most elusive wildlife species — the gray wolf. Though rare to see, the wolves of Banff had radio collars that ...