An obsidian Clovis point was found in the late 1950s during excavation for the Gardiner post office. Bighorn sheep traps were built by their descendants in the cliffs of the Gardiner Valley.

Tourists and officials were startled by a hydrothermal explosion at Black Diamond Pool in July 2024. Geoscientists are working out how and why it occurred to better understand these hazardous events.

The Yellowstone River is more than 600 miles long, traveling from south of Yellowstone to North Dakota's Missouri River. This makes it the longest undammed river in the continental U.S.

Hazards remain after Yellowstone explosion hurled rocks, debris The hydrothermal explosion happened in Yellowstone National Park's Biscuit Basin just before 10 a.m. local time on Tuesday, July 23.

Obsidian Entertainment proudly presents the sequel to our crowdfunded and critically-acclaimed role-playing game, Pillars of Eternity. Welcome to Pillars of Eternity II: Deadfire. With Pillars II ...