Yellowstone National Park sits atop one of Earth's most closely watched volcanic systems. The U.S. Geological Survey documented 52 earthquakes in July 2025 alone. All tremors remain classified as ...

Could a geological disaster be brewing beneath the surface of Yellowstone National Park? Many scientists and curious ...

Yellowstone National Park is cradled inside a gentle depression created by a giant volcanic eruption 640,000 years ago. The ground collapsed, leaving a bowl-shaped caldera. It was the third in a ...

Yellowstone Caldera Chronicles is a weekly column written by scientists and collaborators of the Yellowstone Volcano Observatory. This week's contribution is from Liv Wheeler, M.S. student, and Stacy ...

The Yellowstone Caldera, a volcanically active region under and around Yellowstone National Park, has long been the subject of research, speculation and science fiction regarding the possibility of a ...

Officials at Yellowstone National Park are shutting down rumors circulating on social media about wildlife leaving the park due to potential volcanic eruptions. Claims about animals leaving ...

The discoveries challenge the popular image of Yellowstone as a ticking time bomb with a single massive underground pool of molten rock.

Six years of scientific investigation within Yellowstone National Park has revealed a volcanic system far more complex than scientists imagined, with previously unknown eruptions and multiple ...

Kenneth Sims and other research scientists recently discovered that mafic volcanism of Henrys Fork Caldera, which is located in eastern Idaho and west of Yellowstone National Park, occurred ...

In April, when Yellowstone National Park geologists made their first visit this year to the Norris Geyser Basin, they encountered a new feature they hadn't seen before. They were checking the area's ...