Bald eagles might be regarded as the most fearsome predators of the sky, but like any other wild creature, they do whatever ...

A man on a photo tour of Yellowstone filmed a herd of bison running toward his vehicle and two snowmobilers. See what they're running from. The post Bison Charge Snowmobilers in the Most Yellowstone ...

Add Yahoo as a preferred source to see more of our stories on Google. A photographer has captured a strikingly graphic image that reveals the raw dynamics at play during winter in Yellowstone National ...

A new study documents the complex interactions between cougars and gray wolves in Yellowstone National Park and finds their “enemies without benefits” relationship is driven by competition: wolves ...