Yellowstone National Park's nearly 3,500 square miles seep slightly across state borders into Montana and Idaho, but its major attractions are contained in the northwest corner of Wyoming.

This Yellowstone National Park one day itinerary will show you all the highlights that ... You’ll want to map out the highlights in the park, place them on a map, and find the most optimized ...

New research shows that dead trees in Yellowstone National Park may pose a greater fire danger than previously suspected.

The chief scientist of the Yellowstone Volcano Observatory, Dr. Michael Poland, says he's not worried about an imminent eruption of the volcano under Yellowstone National Park.