Most tourists who visit Yellowstone National Park snap photos of Old Faithful and stroll past bubbling mud pots, never ...

The reason the region is safe is because, aside from Yellowstone being closed during the winter months, it has not yet ...

Beneath Yellowstone National Park, scientists are reexamining one of Earth’s most powerful volcanic systems after studies ...

Scientists in the United States have 'blown the lid off' the Yellowstone supervolcano's mysterious underground reservoir of magma. A team of geologists and Earth scientists now claims to have finally ...

Ever been mesmerized by the swirling colors of Grand Prismatic Spring and wondered what fuels that otherworldly boil? It turns out that beneath the wild expanse of Yellowstone National Park lies one ...

A big, messy surprise greeted Yellowstone National Park early Saturday morning, just as winter officially began. At around ...

Yellowstone Caldera Chronicles is a weekly column written by scientists and collaborators of the Yellowstone Volcano Observatory. This week's contribution is from Liv Wheeler, M.S. student, and Stacy ...

Midway Geyser Basin at Sunset, Yellowstone National Park. (Neal Herbert/National Park Service) The northwest corner of Wyoming is boiling. There, 10,000 hydrothermal features transform Yellowstone ...

Get any of our free daily email newsletters — news headlines, opinion, e-edition, obituaries and more. Yellowstone Caldera Chronicles is a weekly column written by scientists and collaborators of the ...

Margery Price details how Yellowstone’s Geology Program takes care of the park and cleans up after the four million tourists who visit each year. Humans unfortunately tend to litter, even in beautiful ...