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

It is fed by the "Yellowstone Hotspot," where hot plumes of magma rise from deep within the Earth's mantle. In the last 2.1 million years, the complex has undergone three major caldera-forming ...

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 ...

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 ...

Yellowstone has been a site of persistent volcanic activity for 2 million years. But what did the region look like before the volcanoes started to erupt?

During about 4–7 million years ago, the Yellowstone hotspot was located under southeastern Idaho, feeding eruptions occurring from the Heise volcanic field. That sequence included multiple large ...