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

The best times to visit Yellowstone National Park are from late April to May as well as September through early October. These shoulder months offer mild weather, fewer crowds and little to no road ...

Glacier National Park and Yellowstone National Park both welcomed the second highest number of visitors on record last year, ...

On March 1, 1872, President Ulysses S. Grant signed the bill creating Yellowstone Park, the first national park in the history of the world. Despite the fact that the new national park comprised ...

Editor’s Note: This story accompanies the May 2016 issue of National Geographic magazine, devoted entirely to America’s first national park. Find more at natgeo ...

It won't blow today, but future eruptions will likely center on the northeastern side of the national park, the new study finds. Not that Yellowstone is likely to still be a national park by the ...

When hydrologist Bob Beschta arrived in Yellowstone in 1996, he noticed something odd with the Lamar River. The stream was over-widened, the banks were eroding and precious soil was sloughing off ...