Beneath the steaming geysers and bubbling mud pots of Yellowstone National Park lies one of the world's most closely watched volcanic systems. Now a team of geoscientists has uncovered new evidence ...

hot springs and bubbling mud pots. When Yellowstone’s roads open to car traffic in April, tourists will be able to view the new steam column from a pullout as long as the vent remains active.

Beneath the steaming geysers and bubbling mud pots of Yellowstone National Park lies one of the world’s most closely watched ...