Learn more about glacial periods in Yellowstone National Park and how they may be connected with hydrothermal activity.

When you think of a Yellowstone eruption, you probably picture a massive, caldera-forming explosion. But new research is shifting that focus, revealing that the supervolcano's most recent known ...

An earthquake rattled Yellowstone National Park near its infamous supervolcano on Thursday morning. The USGS said a magnitude ...

More than just thermal water discharges from Yellowstone’s hydrothermal system—there are gasses like water, carbon dioxide, ...

Get any of our free daily email newsletters — news headlines, opinion, e-edition, obituaries and more. Yellowstone Caldera Chronicles is a weekly column written by scientists and collaborators of the ...

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 significant change in the park famous for its ...

Around 465 active geysers are roiling across Yellowstone National Park at any given time, with new ones regularly bubbling to the surface every year. But as impressive as they are ...

An earthquake has struck Yellowstone National Park within miles of an ancient volcanic landmark feared to be showing signs of ...

It’s the quiet ones you have to watch out for. Contrary to popular belief, it’s not the big-name volcanoes like Yellowstone and Mount Etna in Sicily that pose the greatest threat. A UK volcanologist ...

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 ...

“Even more colossal” is the way University of Utah researchers now describe the Yellowstone super volcano, which lies under the Wyoming’s northwest corner, after discovering that it is over twice as ...