For a truly supersized wilderness experience, few places on Earth can compete with the United States of America. The US is a ...

When people think about volcanoes, they often picture places like Hawaii or Yellowstone—not Colorado. But did you know that ...

Entombed at the Ashfall Fossil Beds State Historical Park, teeth from the rhino fossils were analyzed by researchers at the ...

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

The new geyser is located just under a mile north of the Norris Geyser Basin. If traveling on the road between Mammoth Hot ...

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 ...

Hawaii's Kilauea volcano is erupting episodically, and as it progresses, the lava fountain's heights are rising.

Ash emissions that lasted for 18 minutes from the summit crater of Kanlaon volcano were recorded early Friday morning, the PHIVOLCS reported. The emissions occurred at 12:12 a.m. and 5:10 a.m. on ...

In the video below, John Sherer gives an update on the status of the Biscuit Basin thermal area of Yellowstone National Park, ...