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

That movement has now left one pool of molten material on the west of the caldera disconnected from any heat sources, which will likely allow it to cool. Meanwhile, the largest pool of near-surface ...

Editor’s Note: This story accompanies the May 2016 issue of National Geographic magazine, devoted entirely to America’s first national park. Find more at natgeo ...

Wolves were reintroduced into the park beginning in 1995, and Yellowstone now has the full complement of large animals that existed there before Europeans arrived in North America. A biologist ...

Home to more than 2.2 million acres, hundreds of geysers and waterfalls, as well as Yellowstone Lake – the largest high-altitude lake in North America – Yellowstone National Park is a bucket ...