Researchers used lightning and solar storms to map magma, revealing isolated pockets as opposed to one bubble ready to burst.

Yellowstone National Park's nearly 3,500 square miles seep slightly across state borders into Montana and Idaho, but its major attractions are contained in the northwest corner of Wyoming.

Yellowstone National Park attracts millions of visitors who are eager to see its explosive geysers, steaming hot springs and burbling mud pots. These famous natural landmarks result from the park’s ...

Yellowstone Caldera Chronicles is a weekly column written by scientists and collaborators of the Yellowstone Volcano Observatory. This week's contribution is from Michael Poland, geophysicist with ...

This is a photograph of Twin Buttes in Lower Geyser Basin looking to the northwest, with Excelsior Geyser of Midway Geyser Basin in the foreground. Twin Buttes is a thermal kame that formed when ...