Volcanic activity under the surface supercharges the groundwater, giving rise to 500 geysers in Yellowstone National Park, which boasts 60% of the world’s geysers. Only six are predictable enough for ...

Yellowstone Caldera Chronicles is a weekly column written by scientists and collaborators of the Yellowstone Volcano Observatory. This week's contribution is from Sin-Mei Wu, Jamie Farrell, and ...

The Yellowstone Caldera, a volcanically active region under and around Yellowstone National Park, has long been the subject of research, speculation and science fiction regarding the possibility of a ...

There’s not a grizzly bear in Yellowstone National Park that is willing to mess with a bison herd on full alert. The accompanying footage, captured Monday via the park’s livestream camera, shows ...