Few places fuel doomsday headlines like Yellowstone. America’s most famous national park sits atop a supervolcano, and the ...

A gigantic bulge in the north rim of the Yellowstone caldera is the latest sign of volcanic activity in the national park. Geologists call this type of bulge “volcanic uplift.” It’s often caused by ...

Officials reported a hydrothermal explosion at Yellowstone’s Biscuit Basin, forming new vents and a boiling pool with no ...

Yellowstone Caldera Chronicles is a weekly column written by scientists and collaborators of the Yellowstone Volcano Observatory. This week’s contribution is from Jennifer Lewicki, research geologist ...

Another hydrothermal explosion occurred at Yellowstone National Park, pointing to the unpredictable nature of the park's vast underground thermal system and providing scientists with a rare ...