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Are we ready for a mega-blast from the supervolcano in Yellowstone National Park?
Scientists discovered a magma cap almost 2.5 miles below the surface at Yellowstone National Park. Here’s what that means for the risk of another supervolcano eruption.
Joy Macfarlane, left, and her husband Jared Macfarlane pause for a photo while exploring what has become known as 'Teepee ...
In the fall cleaning campaign, Yellowstone's geology team discovered a trove of unusual items tossed by visitors.