The Black Diamond Pool in Yellowstone has been erupting with muddy-looking water ever since a hydrothermal explosion happened ...

Kablooey!” That’s the word U.S. Geological Survey volcanic experts used to describe a muddy eruption at Black Diamond Pool in Yellowstone National Park on Saturday morning.

The reason the region is safe is because, aside from Yellowstone being closed during the winter months, it has not yet reopened since the large blast a few years ago. The boardwalks themselves have ...

I went to Yellowstone National Park and spent a couple of days, on and off, watching Old Faithful erupt, surrounded by summer tourists from every corner of America. And then -- as this video shows -- ...

Yellowstone is a top U.S. destination and the first national park in the world. Travelers come from all over the world and across North America to see it. They see the historic lodges, geothermal ...

Yellowstone Caldera Chronicles is a weekly column written by scientists and collaborators of the Yellowstone Volcano Observatory. This week's contribution is from Sin-Mei Wu, Jamie Farrell, and ...