Learn why Yellowstone mysteriously does not produce sulfur dioxide, and what it means for volcanic unrest.

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

A shocking hole has emerged in Yellowstone, leaving experts speculating about potential supervolcanic activity beneath the ...

Yellowstone’s volcanic heart is one of the largest magmatic systems on Earth, yet the park’s steaming vents and geysers are ...

Yellowstone may be America’s most famous national park, but many park rangers quietly agree that fame does not always equal ...

Yellowstone National Park feels like a living Earth museum, where bubbling geothermal wonders, sweeping valleys full of ...