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.

Geologically speaking, things are always changing at Yellowstone—especially in the hydrothermal areas. It’s simply the nature ...

A volcanic eruption is unlikely to occur at Yellowstone National Park because of the magma formations ... seismic data — seismic waves that can map geologic structures — to measure the magma ...

so you'll want to use an official Yellowstone map (available online or at the park's five visitor centers) or specific GPS coordinates that the NPS provides to Yellowstone visitors.

That’s what Yellowstone Park is all about ... overlooking a site that doesn’t appear on the tourist maps: an odd, deep little spring that grizzlies sometimes use as a sort of bathtub.

Spring is the best time to visit Yellowstone National Park. Here are just five reasons why this national park is the perfect ...

On March 1, 1872, President Ulysses S. Grant signed the bill creating Yellowstone Park, the first national park in the history of the world. Despite the fact that the new national park comprised ...

For thousands of years, Native peoples moved in and out of the area that was to become Yellowstone National Park for ceremonies, hunting, and the medicines, minerals, and plants found there.