Catherine Parker More than its star attraction (Old Faithful), the Upper Geyser Basin boasts not only the largest concentration of geysers in the park, but also in the entire world (Yellowstone is ...

Though the volcano’s magma chambers could hold enough material for a caldera-forming event, none of them are likely to erupt ...

This easy walk is a must-see attraction in Yellowstone. Location - Upper Geyser Basin, three miles north of Old Faithful Distance - 1/2 of a mile boardwalk Biscuit Basin was named originally for ...

Lightning strikes above the Fan and Mortar geysers in Yellowstone's Upper Geyser Basin. Geysers are formed when underground water meets superheated rock and blasts back out through a narrow hole.

and pools next to Old Faithful Geyser in Yellowstone's Upper Geyser Basin. Geyser Hill is a must for any Yellowstone visitor.

For example, Economic Geyser, in Upper Geyser Basin, experienced a series of eruptions for the first time since 1999. In West Thumb Geyser Basin, Abyss Pool began to heat up and overflow ...

MISSOULA, Mont. — A 3.9 magnitude earthquake was recorded near Norris Geyser Basin in Yellowstone National Park on Tuesday ...

Catherine Parker This world-renowned geyser is a must-see for every Yellowstone ... Point trail for a bird's-eye view of the Upper Geyser Basin. Many recent visitors chose to gather around the ...

Yellowstone Caldera Chronicles is a weekly column written by scientists and collaborators of the Yellowstone Volcano Observatory. This week's contribution is from Shaul Hurwitz, research ...