A gigantic bulge in the north rim of the Yellowstone caldera is the latest sign of volcanic activity in the national park.

Yellowstone is a dynamic geologic system—the one constant is change. This is demonstrated daily by hydrothermal activity ...

Yellowstone National Park has always been a hotbed of geologic chaos. Now, it has a fresh wound to prove it. In the Norris Geyser Basin, a series of hydrothermal explosions carved out a new ...

“However, that doesn’t mean that the volcano is about to erupt,” Yellowstone Volcano Observatory scientist-in-charge Mike Poland said. “It’s Yellowstone being Yellowstone.” From the ground, the ...

CODY — On Monday afternoon, the U.S. Geological Survey announced the discovery of a new geothermal pool in Yellowstone National Park’s Norris Geyser Basin. Michael Poland, PhD, the Scientist-in-Charge ...

A brand new baby blue pool formed over the winter holidays in Yellowstone National Park, officials said. Mike Poland U.S. Geological Survey Get ready for a little Christmas in July: There’s a new baby ...

WARNING: DISTRESSING CONTENT A young man tragically lost his life after falling into a hot spring at Yellowstone National Park in a horrifying accident in 2016.