The U.S. Geological Survey has spent years pushing back against a persistent myth: that Yellowstone’s supervolcano is “overdue” for a catastrophic eruption capable of wiping out life across the ...

Echinus Geyser, the world’s largest acidic geyser, suddenly burst back to life in Yellowstone last month after being dormant for five years. Once called ...

A gigantic bulge in the north rim of the Yellowstone caldera is the latest sign of volcanic activity in the national park. Geologists call this type of bulge “volcanic uplift.” It’s often caused by ...