Yellowstone is famous for its volcanic landscapes, erupting geysers and colorful hot springs. The park is also unique because ...

Yellowstone volcanism has produced some of the youngest rocks in North America. This same region also features some of the ...

On the other side of the marsh is a tree-covered rhyolite ... in the latest edition of Yellowstone Caldera Chronicles, which is part of the USGS. Aerial view looking to the west at the Roadside ...

We know that a supervolcano, Yellowstone, is located practically in our backyard. The region is constantly going through geological changes, as there was a recent discovery of a new volcanic vent in ...

A group of US Geological Survey (USGS) geologists have discovered signs of rhyolitic volcanism in the northeast-shifting Yellowstone caldera. The Yellowstone Caldera, a volcanic caldera and ...

But the stand of trees is hiding a rhyolite lava flow, a thick type of lava that tends to form short, chunky flows throughout the Yellowstone Caldera ... on the other side of the lava flow ...

Scientists first noticed it while driving through the park nearly two weeks after one of the hydrothermal features exploded along a boardwalk, scientists said in the Yellowstone Caldera Chronicles ...