The National Park Service will use volunteer shooters along with capture and other methods to reduce the bison population at the Grand Canyon by more than half

Autumn in New England can sometimes seem gorgeous enough to stop your heart, but pursuing that foliage on foot is a great way to keep it healthy and beating strong

Scientists say they're inoculating an endangered California frog to give it a fighting chance at avoiding extinction

Wildlife advocates and a Montana Indian tribe are asking a U.S. court to restore protections for grizzly bears in and around Yellowstone National Park so that trophy hunting of the fearsome animals wouldn't be allowed

U.S. Interior Secretary Ryan Zinke says he wants to speed up a proposal to block new gold mining claims on public lands near Yellowstone National Park and will consider blocking other types of mining