The Greater Yellowstone Ecosystem (GYE) is one of the last remaining large, nearly intact ecosystems in the northern temperate zone of the Earth. It is...

Yellowstone National Park is a national park of the United States located in the northwest corner of Wyoming and extending into Montana and Idaho. It...

water and fire retardant drops. With fires raging throughout the Greater Yellowstone Ecosystem and other areas in the western United States, the staffing...

the gray wolf (Canis lupus) to Yellowstone National Park and the Greater Yellowstone Ecosystem. When the park was created in 1872, wolf populations were...

The Yellowstone bison herd roams the Greater Yellowstone Ecosystem. The bison herd is probably the oldest and largest public bison herd in the United States...

The Yellowstone Caldera, sometimes referred to as the Yellowstone Supervolcano, is a volcanic caldera and supervolcano in Yellowstone National Park in...

within the Greater Yellowstone Ecosystem. These animals are a major park attraction. Bison are the largest grazing mammals in Yellowstone National Park...

north and west boundaries of Yellowstone to expand their winter range and pioneer new territory in the Greater Yellowstone Ecosystem. Park and state wildlife...

constitute the almost 18-million-acre (73,000-square-kilometer) Greater Yellowstone Ecosystem, one of the world's largest intact mid-latitude temperate...

40 wildlife photographers, and millions of tourists come to the Greater Yellowstone Ecosystem to see her and other grizzly bears. Grizzly 399 is the...