One of the world’s most closely monitored volcanic systems lies beneath Yellowstone National Park’s bubbling geysers and ...

One of the most picturesque places in the park is Yellowstone Lake, near the South and East Entrance. It is the largest ...

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 ...

The first reports of Yellowstone, in the early 1800s, described a place in the northwest corner of the Wyoming Territory where mud boiled ... Yellowstone Park, the first national park in the ...

Yellowstone National Park is known to sit on top of a huge pool of active magma, which causes bubbling mud pots and steaming geysers. Now, geologists have discovered a cap of magma rich with ...

SALT LAKE CITY — Scientists have studied Yellowstone National Park's magmatic system for decades, which makes the iconic geysers, mud pots and various hydrothermal wonders possible. But it wasn ...

A new thermal vent spewing steam in the air at Yellowstone National Park ... change in the park famous for its thousands of geysers, hot springs and bubbling mud pots. When Yellowstone's roads ...

Yellowstone National Park is known to sit on top of a huge pool of active magma, which causes bubbling mud pots and steaming geysers. Now, geologists have discovered a cap of magma rich with volatiles ...