Every so often, wild bison from one of Utah's herds cross the invisible state border and wander into northwest Colorado—unknowingly putting their lives in danger. When the bison cross over, they ...

It is images such as George Catlin’s “Buffalo Chase with Bows and Lances” that engages our imagination of the unique relationship between Indigenous peoples and bison. Catlin wrote that he ...

PIERRE, S.D. (KELO) — South Dakota State University could soon be teaching students how to raise bison, a species that once populated the North American plains and was hunted to near extinction.

Yellowstone bison were nearly driven to extinction in the late 19th century as a result of commercial hunting. . | Credit: ...

Editor’s Note: This story accompanies the May 2016 issue of National Geographic magazine, devoted entirely to America’s first national park. Find more at natgeo ...

We’ve pumped huge amounts of carbon dioxide into the atmosphere that needs to be paid back. Large animals like wolves, bison and whales may already be tackling the problem ...