Photograph by Drew Rush with the National Park Service The greatest ... the Hayden Valley to the grassy lawns around Yellowstone’s headquarters buildings at Mammoth Hot Springs.

Grant signed the bill creating Yellowstone Park, the first national park in the history ... the Northern Pacific's track-building stalled more than 500 miles from the park. Those who were prepared ...

Dave Hallac stood in his office at the Yellowstone Center for Resources, the park body charged with science and resource management, in a rambling old clapboard building amid the formidable stone ...

Researchers are urging Yellowstone officials to invest in greater protection after the findings of a new report ...

As the headquarters of Yellowstone National Park, the Mammoth Springs Historic District is also home to historic buildings, including structures that date back from the Fort Yellowstone days ...

New research shows that dead trees in Yellowstone National Park may pose a greater fire danger than previously suspected.

The first national park was created by the United States in 1872, called Yellowstone National Park. The law established during this year allowed for the term to be widely used across the U.S. and ...