Yellowstone National Park, famed for its geysers and hot springs, sits atop one of the world's largest active supervolcanoes.
With Yellowstone sitting atop a colossal volcano, experts warn that a future eruption could cover South Dakota in ash, ...
The ground beneath Yellowstone National Park hides one of the world’s most powerful geological threats: a supervolcano ...
Yellowstone was massive. Roughly a thousand times larger than the eruption of Mt. St. Helens, the biggest eruption in the ...