We know that a supervolcano, Yellowstone, is located practically in our backyard. The region is constantly going through geological changes, as there was a recent discovery of a new volcanic vent in ...

GREEN BAY, Wis. (WBAY) - Yellowstone was named the nation’s first national park over 150 years ago. Old Faithful is thousands of years old. It has a caldera from a volcanic eruption 631,000 years ago.

Hand-carved arrowheads and jagged spears made of obsidian, a sharp rock formed by volcanic magma, are remnants of vast ...