About that time University of Colorado microbiologist Norman Pace led a team doing microbial analyses in Yellowstone. In samples gathered at Obsidian Pool, using PCR and other methods, the team ...

From bison burgers to huckleberry margaritas, get ready to discover the must-try dishes and best places to eat in Yellowstone National Park. Wild Game The Obsidian Dining Room at the Old Faithful ...

The Greater Yellowstone Ecosystem offers plenty to ... At the National Historic Landmark of Obsidian Cliff, the molten lava that oozed beneath the park cooled into spiky black obsidian and was ...