The are many types of fluids that flow between the deep mantle underlying Yellowstone National Park and the atmosphere above ...

Most people know that Yellowstone is a mostly quiet supervolcano, but recently, scientists have become aware of a lot more ...

Water is a key ingredient in all volcanoes. At Kīlauea, water has a significant impact on the explosivity of the eruptions, ...

Discover 7 places on Earth with naturally boiling water, including Yellowstone, Frying Pan Lake, and the Boiling River in the ...

There are several U.S. national parks you can visit by Amtrak train, but not Yellowstone and Grand Teton National Parks.

There are hundreds of Yellowstone National Park tours to choose from, giving visitors to America's greatest treasure sev ...

An earthquake swarm in Northern California early Thursday was another round of recurring temblors in a seismically active ...

Photography was still in its infancy during the 1800s, but what the early pioneers captured with their bulky cameras and ...