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 ...

Not yet. In 1995 and 1996, the U.S. Fish and Wildlife Service captured wolves in Canada and released them into 2.2-million-acre Yellowstone National Park and central Idaho's wilderness areas.