A herd of bisons were seen scratching an itch on trees at the Specimen Ridge area of Yellowstone National Park. “Everybody asks me how come the trees are all rubbed. This is why,” said Cindy Shaffer, ...

Fuller had been to Yellowstone once as a kid, and he remembered it as overcrowded and full of road construction. But a road ...

This story is part of a Grist package examining how President Trump's first 100 days in office have reshaped climate and ...

Yellowstone National Park is home to breathtaking landscapes and diverse wildlife, but do you know which animal poses the ...