Based on geologic mapping and dating of minerals, we know that the Yellowstone caldera formed 631,000 years ago. But how did the caldera collapse? Observations and monitoring data from several caldera collapses at other volcanoes in the 20th and 21st centuries provide clues.
An Arizona woman on Monday received "significant injuries" when she was gored by a bison at Yellowstone National Park on the north shore of Yellowstone Lake.
A powerful windstorm raked the southern half of Yellowstone National Park, downing hundreds of trees and knocking out commercial power for about a day.
The Yellowstone volcanic system has hosted some very large eruptions. But there have been much larger volcanic explosions in geologic history—including several in the western USA!
Ecologist George Wuerthner takes exception to the Buffalo Field Campaign's effort to see tribes given co-stewardship of Yellowstone National Park's bison herds.
A group that long has questioned how the National Park Service manages bison at Yellowstone National Park wants to see tribal entities given co-stewardship of the iconic animals along with seeing their numbers rise 10-fold to 50,000 in the Greater Yellowstone Ecosystem.
Once upon a time, there might have been 60 million bison on the North American continent. The herds were so large that they covered prairies like immense horizon-stretching black cloaks, and their annual migrations carved such wide paths into the landscape that some were turned into roads by human travelers.
The Mammoth Hot Springs Hotel and Cabins in Yellowstone National Park, closed since last year's historic flood damaged the area's wastewater system, are set to reopen Saturday.
The epicenter of the magnitude-6 Yellowstone National Park earthquake on June 30, 1975 (a Monday!), was located along the north-central boundary of Yellowstone Caldera, a few kilometers (miles) southeast of Norris Geyser Basin.
Many of you visiting a unit within the National Park System capture photos for more than just Instagram, right? Maybe those shots will accompany a blog, report, or other online/paper publication. How you photographically document your subject determines the extent to which your viewing audience will understand and appreciate that feature, concept, or process.