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

In the fall cleaning campaign, Yellowstone's geology team discovered a trove of unusual items tossed by visitors.

Get any of our free daily email newsletters — news headlines, opinion, e-edition, obituaries and more. Despite an explosive summer at Yellowstone National Park — marked by a thermal feature eruption ...

One problem the melting roads won't cause - despite rumors to the contrary - is an explosion of Yellowstone's supervolcano, ...

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’t until recently that a ...

Beneath Yellowstone National Park lies something extraordinary—a giant underground chamber filled with molten rock, trapped gases, and intense heat. For years, scientists have known about this ...

As winter approaches, take heart in the fact that it won’t last 80 years. That’s how long two volcanic winters may have lasted after two separate explosions of the Yellowstone volcano about 630,000 ...

Site of half the world's active geysers and about the same size as Cyprus, Yellowstone National Park's scenery and wildlife make it one of the biggest draws for tourists in the US. But those famous ...

Unlike most volcano observatories, Yellowstone is monitored by a consortium of institutions. The Yellowstone Volcano Observatory was founded in 2001 and at first only involved three organizations: ...

YELLOWSTONE NATIONAL PARK, Wyo. (AP) — A new thermal vent spewing steam in the air at Yellowstone National Park is gaining attention, mainly because it’s visible from a road rather than any ...

Despite an explosive summer at Yellowstone National Park — marked by a thermal feature eruption that destroyed a boardwalk and sent visitors fleeing from an eruption of black water, mud and rocks — a ...