Previous research on the effect of wolves on the food web has been criticized, raising questions about the predator’s role in ...

Get any of our free daily email newsletters — news headlines, opinion, e-edition, obituaries and more. Bears have started to emerge from their dens in Yellowstone National Park. Grizzly bear tracks ...

A guide in Yellowstone National Park has captured extraordinary footage showing a grizzly bear and her cubs chasing a wolf from they bison carcass they had claimed. But Billy Fabian’s footage also ...

Julia Cook of Cody grew up in the shadow of Yellowstone National Park watching its famous wildlife. Now an emerging ...

Yellowstone National Park feels like a living Earth museum, where bubbling geothermal wonders, sweeping valleys full of ...