Left behind is a giant caldera, from the Spanish word for "cauldron." The "hot spot" responsible for the Yellowstone caldera has erupted dozens of times in the past, going back some 18 million years.

Stroll along Slough Creek for your best chance at spotting one of Yellowstone’s elusive wolf packs. Pro tip: Wolf viewing ...

Join us on an extraordinary winter adventure: a seven-day wildlife expedition to Yellowstone—North America’s best wolf-watching habitat. Dressed magnificently with frost and snow, and with visitors ...

The Yellowstone Wildlife Sanctuary is celebrating a special milestone with its Gray Wolf ambassadors, Pilot and Index, who ...

A Wildlife Photographer of the ... More than a third of Yellowstone, including Grand Prismatic Spring, sits within the caldera of a giant, ancient, yet still active volcano. Someday it will ...

Site of half the world's active geysers and about the same size as Cyprus, Yellowstone National Park's scenery and wildlife make ... sits atop a supervolcano crater that has had at least one ...

Yellowstone Caldera Chronicles is a weekly column written by scientists and collaborators of the Yellowstone Volcano Observatory. This week's contribution is from Cathy Whitlock, Regents Professor ...

Established in 1872, Yellowstone Bourbon was crafted to honor the sprawling wonder of America’s first national park. It’s what first inspired us to create approachably smooth whiskey for the benefit ...

Yellowstone Caldera Chronicles is a weekly column written by scientists and collaborators of the Yellowstone Volcano Observatory. This week's contribution is from Jamie Farrell, associate research ...

Yellowstone is well known for its "Old Faithful" geyser and its stunning wildlife. But the national park also sits atop a supervolcano, simmering just under the surface. You can see some of the ...