A year ago, the Yellowstone ... it's also a reset for the system that later brings rejuvenation. Fly fishing guide Matt Wilhelm says he's excited to get back out on the river this summer and ...

Preliminary testing of water and air quality along a stretch of the Yellowstone River where train cars with ... continue to challenge the vast railway system that transports nearly 22 million ...

An indigenous map drawn on a bison pelt and indicating a volcano on the Yellowstone River was described by the governor of Louisiana Territory in an 1805 letter to Thomas Jefferson. The first ...

The devastating flooding that occurred along the Yellowstone River this week constitutes a ... referred to as the Alternating License Plate System (ALPS), was suggested as a solution by gateway ...

The Madison River from the Wyoming/Montana state line downstream to the park boundary near the West Entrance in West Yellowstone ... in the shallow hydrothermal system beneath Black Diamond ...

In order to understand what would happen in the modern day, scientists modeled where ash has been found from previous big eruptions at Yellowstone. You can see those ash beds outlined in the map ...

Floodwaters that swept through Yellowstone National Park may have permanently altered the course of a fishing river and forever ... a crown jewel of the park system, a popular summer playground ...

The Yellowstone River flooding parts of Paradise Valley ... Association shows strong bipartisan support to protect the park system, which she described as “American as apple pie.” ...

You can see those ash beds outlined in the map below. The most recent eruption ... Eruptions of the Yellowstone volcanic system have included the two largest volcanic eruptions in North America ...