Deep beneath the surface of South America, a sleeping giant is starting to stir… and scientists are watching very closely. 🌋 ...

But the eruptions left behind a new thermal pool. Ice-blue in color, warm in temperature and a little larger than a backyard hot tub, the pool is the newest known feature to bubble up in Yellowstone’s ...

A hydrothermal explosion has created a 13-foot blue water feature in Yellowstone National Park. The explosion appears to have ...

More geological changes are occurring at Yellowstone National Park, as another hole forms in one of the park's basins.

"The discovery emphasizes the dynamic nature of Yellowstone's thermal activity," Yellowstone Volcano Observatory's Mike ...

Last April, geologists conducting routine maintenance at temperature logging stations in Yellowstone National Park’s Norris ...

But when heat flow is pretty much high everywhere, as it is across the Yellowstone plateau, how do the conditions needed to host a hydrothermal system change? What other geologic conditions play ...

Still, geological changes in Yellowstone draw interest because the park overlies a volcano that was responsible for powerful eruptions in the distant past.

Scientists are tracking changes at the giant supervolcano that lies under Yellowstone National Park, but they say there's no need to worry at the moment. “The western part of the Yellowstone ...