This article is used with permission from Oregon Public Broadcasting and is the product of OPB’s original reporting. To learn more, visit opb.org.

If you’ve ever wondered how many bathtubs’ worth of water Old Faithful spews upwards on any given eruption, then you’re not alone. A team of researchers in Yellowstone National Park asked that very ...

Yellowstone Caldera Chronicles is a weekly column written by scientists and collaborators of the Yellowstone Volcano Observatory. This week’s contribution is from Shaul Hurwitz and Blaine McCleskey, ...

Yellowstone used to be a myth. When European-American trappers reported that they'd seen a land where the hot springs were made of rainbow waters and geysers sprayed high into the sky, nobody believed ...

Tom has a master’s degree in biochemistry from the University of Oxford and his interests range from immunology and microscopy to the philosophy of science.View full profile Tom has a master’s degree ...

The Black Diamond Pool in Yellowstone National Park erupted Wednesday, sending plumes of steam and muddy debris hundreds of feet into the air. The latest eruption marks the second time the pool has ...

Add Yahoo as a preferred source to see more of our stories on Google. A large eruption at a hydrothermal pool within Yellowstone National Park covered a nearby live camera in mud and water on ...

YELLOWSTONE NATIONAL PARK, Wyo. -- Two hikers were injured in a bear attack on a popular hiking trail near Yellowstone National Park's Old Faithful geyser, park officials said Tuesday. The attack was ...

A bear injured two hikers on a trail at Yellowstone National Park this week, prompting closures of some areas, park officials said Tuesday. Subscribe to read this story ad-free Get unlimited access to ...