Rob and Jennifer Gunderson were visiting Yellowstone National Park for their anniversary, and couldn’t believe their eyes when they saw people walking right up to the 1,000-pound animal.

YVO just released an updated version of its response plan for geological hazards in Yellowstone National Park. The plan ...

The same geyser that erupted last summer in a hydrothermal explosion in Yellowstone National Park was recorded erupting again ...

Fortunately, the Yellowstone magma system appears to be in a stable configuration. The seismic reflection results suggest about 14% fluid and about 86% solid crystals in the cap layer of the ...

Scientists discovered a magma cap underneath Yellowstone National Park’s surface that may act as a lid to prevent the supervolcano from erupting. Photo by Chris Leipelt via Unsplash It’s no ...