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.

There are five Montana National Parks including two gems in the National Park Service; Glacier and Yellowstone National ...

MISSOULA, Mont. — A 3.9 magnitude earthquake was recorded near Norris Geyser Basin in Yellowstone National Park on Tuesday ...

As we stand at the edge of Gardiner, Montana, peering toward the vast expanse 3,472 square miles of Yellowstone National Park beyond, the connection between nature and civilization beckons.

Yellowstone National Park is a popular destination for geology field trips. It’s easy to see why—the dynamic landscape ...

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.