A gigantic bulge in the north rim of the Yellowstone caldera is the latest sign of volcanic activity in the national park.
Green Matters on MSN
A Chicago-sized bulge has appeared near Yellowstone’s volcano — and scientists say it’s growing
Experts have dismissed the possibility of an eruption, saying, 'It’s Yellowstone being Yellowstone.' ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results