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 ...

Scientists are tracking changes at the giant supervolcano that lies under Yellowstone National Park, but they say there's no need to worry at the moment. “The western part of the Yellowstone caldera ...

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 ...

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 ...

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 ...

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 ...