A new column of steam rises from Yellowstone. While the expansive volcano shows no hints of an eruption, magma brews beneath the surface, fueling hundreds of geysers and other heated phenomena.

YELLOWSTONE NATIONAL PARK – A new volcanic vent was discovered at Yellowstone National Park, the U.S. Geological Survey (USGS) announced this week. The USGS noted the feature is a hydrothermal vent, ...

YELLOWSTONE NATIONAL PARK – A new volcanic vent was discovered at Yellowstone National Park, the U.s. Geological Survey (USGS) announced this week. The USGS noted the feature is a hydrothermal ...

Upbound ships enter the locks from lower end and massive doors are closed. Water flows in through pipes from the Lake Superior side to fill the locks and raise ships to the lake level.