Deep within the Yellowstone Caldera, the bowl-shaped rock cauldron at the heart of Yellowstone National Park, there’s a clue ...

The USGS Hawaiian Volcano Observatory has a YouTube live feed of the eruption taken from a safe distance that shows the full ...

Stories from the Yellowstone fires of 1988, which burned approximately 1.3 million acres inside the park and surrounding area ...

Violent eruptions continue in Hawaii, sending lava hundreds of feet into the air and spreading glass threads over nearby areas.