According to the Yellowstone Volcano Observatory, it’s probable that this new hydrothermal feature is connected to activity ...

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 ...

But wait, he said, you’re from National Geographic? Yes. And you all are doing a special issue on Greater Yellowstone? Yes. “Don’t forget the little boreal toad,” he said. It’s native to ...

Tuesday's eruption at Yellowstone damaged a boardwalk ... according to National Geographic. When magma erupts from a volcano or flows from the Earth through a crust fracture, lava forms.

The Yellowstone River is more than 600 miles ... Many were taken aback by the geographic details of the canyon, including its many colors and rock formations. Some visitors admired the canyon ...

About 50 Yellowstone National Park visitors got the wildlife viewing opportunity of a lifetime in late January. Perched above Hayden Valley, they watched as the Wapiti Lake wolf pack pursued a ...

When hydrologist Bob Beschta arrived in Yellowstone in 1996, he noticed something odd with the Lamar River. The stream was over-widened, the banks were eroding and precious soil was sloughing off ...

Yellowstone National Park’s two million acres of wilderness contain many stories, including one of the best case studies in ...