A major Yellowstone eruption likely won’t happen for thousands, and potentially millions, of years. Scientists say that the magma underneath Yellowstone is mostly solid and not eruptible. One study ...

Geologists monitoring the Yellowstone supervolcano and adjacent western US volcanic systems have detected increased ground ...

Yellowstone National Park sits atop one of Earth’s largest volcanic systems, and right now that system is slowly reshaping the ground. Instruments show that the Yellowstone caldera is inflating into a ...

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

Did anyone else grow up in perpetual fear of any and all natural disasters? I don’t know if it was cartoons or what, but as a kid who lived in the very urban city of Philadelphia, I was convinced I ...

Beneath the geysers and steaming ground of Yellowstone National Park lies one of the most studied, yet still elusive, volcanic systems on Earth. Unlike most volcanoes that form along shifting tectonic ...

A sideways flow of hot mantle rock, not a deep plume rising from near Earth’s core, may be feeding one of the planet’s most closely watched supervolcanoes. That is the picture emerging from a new ...

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 ...