When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: Lauren Harrison, Colorado State University A geyser that erupted last week in Yellowstone ...

BILLINGS, Mont. — A surprise eruption of steam in a Yellowstone National Park geyser basin that sent people scrambling for safety as basketball-sized rocks flew overhead has highlighted a little-known ...

Yellowstone National Park is one of the most popular and fascinating parks in the U.S. Naturally, there are quite a few ...

Video shows a bison completely unfazed by Old Faithful geyser eruption at Yellowstone National Park. Screengrab from Storyful A stoic bison didn’t care at all that an iconic geyser was exploding ...

Steamboat Geyser holds an elusive reputation for its prolonged periods of dormancy followed by abrupt episodes of re-awakening.

The Beehive Geyser in Yellowstone National Park is known for its towering eruptions, but also its irregularity in terms of when these eruptions occur. But as the Yellowstone Safari Company explained ...

DENVER (KDVR) — On Tuesday, visitors at Yellowstone National Park fled when a hydrothermal explosion occurred a few miles north of the famous Old Faithful geyser. Nobody was injured, but the event ...

Yellowstone Caldera Chronicles is a weekly column written by scientists and collaborators of the Yellowstone Volcano Observatory. This week's contribution is from Annie Carlson, Research Coordinator ...

Steamboat is the world's tallest active geyser, but unlike Old Faithful, its eruptions are completely unpredictable. Now, a new analysis suggests that at least one recent Steamboat eruption got ...

Some, like the famous Old Faithful, erupt like clockwork and are well understood by the scientists who monitor the park's seismic activity. But the type of explosion that happened this week is less ...