The man has been slammed online after he was seen walking in flip-flops over a delicate eco-system in Yellowstone National ...

Working at Mammoth Hot Springs administrative office in Yellowstone National Park includes perks like seeing baby bison ...

The overwhelming size difference between the two animals, as well as the bison's status as a powerful wild animal, weighing ...

Three decades after wolves were reintroduced in Yellowstone National Park, aspen stands are recovering, a new analysis suggests.