In Yellowstone National Park, Scott Brovsky captured dramatic footage of a grizzly bear being chased away from a bison ...

A prominent wolf that lived among Yellowstone's most famous wolf pack is believed to have been illegally shot and killed just outside the park last month, according to wildlife experts. NOTE: The ...

The video contains clips that are outtakes of the documentary Ravens in Yellowstone by Bob Landis. The videos may be used for editorial coverage of this study only, provided proper credit is given.

Yellowstone National Park is unlike anywhere else on Earth. Yellowstone National Park is unlike anywhere else on the planet. It's the last intact temperate zone ecosystem on Earth and has a wide ...

Add Yahoo as a preferred source to see more of our stories on Google. A prominent wolf that lived among Yellowstone's most famous wolf pack is believed to have been illegally shot and killed just ...