A hotspot that now lies in the middle of the Atlantic Ocean was once under the Great Lakes, and may explain why they formed ...

Large explosive eruptions occur in Yellowstone around once every 700,000 years, according to the U.S. Geological Survey.

Yellowstone is fueled by what's known as a hotspot, where molten material from the Earth's mantle percolates up through the crust. The rock that comes up through the crust is typically basaltic (a ...

Those living in fear of a supervolcano eruption at Yellowstone National Park can breathe easy: The park may be sitting on a ...

A hiking guide who leads excursions in Yellowstone National Park paused for a photo opportunity recently and later asked his Threads followers: “Do you see the ‘moose head’ in this picture ...

Scientists are tracking changes at the giant supervolcano that lies under Yellowstone National Park, but they say there's no need to worry at the moment. “The western part of the Yellowstone ...

While millions around the world tuned in to watch Kevin Costner’s sensationalized depiction of western history in the ...

Basalt magma is highly mobile and wells up from the mantle deep beneath the Yellowstone hotspot. It’s also dense and contains concentrations of magnesium and iron. Rhyolite melt is thicker ...

Now that "Yellowstone" has wrapped up its final episodes, Taylor Sheridan and the crew of the hit Western are shifting their focus to Michelle Pfeiffer's "The Madison." Christina Voros ...