New research has identified a 35,000-year-old basalt eruption as the youngest at Yellowstone, shifting our understanding of the supervolcano's activity. Learn what this means.
Yellowstone National Park sits atop one of Earth's most closely watched volcanic systems. The U.S. Geological Survey documented 52 earthquakes in July 2025 alone. All tremors remain classified as ...
SALT LAKE CITY — Scientists have studied Yellowstone National Park's magmatic system for decades, which makes the iconic geysers, mud pots and various hydrothermal wonders possible. But it wasn't ...