For years, public imagination has fixated on Yellowstone as the ultimate natural doomsday machine, a supervolcano waiting to ...
A gigantic bulge in the north rim of the Yellowstone caldera is the latest sign of volcanic activity in the national park.
Scientists are monitoring a city of Chicago-sized swath of rising ground at the northern volcanic rim of the Yellowstone ...
Are we ready for a mega-blast from the supervolcano in Yellowstone National Park?