Beneath the steaming geysers and bubbling mud pots of Yellowstone National Park lies one of the world's most closely watched volcanic systems. Now a team of geoscientists has uncovered new evidence ...

Less crowded but not less beautiful, these underrated U.S. national parks are worth visiting to avoid the crowds and enjoy beautiful views.

Beginning at 8 a.m. On Friday, April 18, 2025, select entrances and roads in Yellowstone National Park will open for the ...

Scientists have found previously undocumented ash deposits buried beneath the Lava Creek Tuff in Wyoming — and at least one ...