Scientists are monitoring a city of Chicago-sized swath of rising ground at the northern volcanic rim of the Yellowstone ...

A gigantic bulge in the north rim of the Yellowstone caldera is the latest sign of volcanic activity in the national park.

Is this aught that foreshadows a pop, Or any other danger? No, replied Michael Poland, a geophysicist and Scientist-in-Chief ...

Initial reports indicate that it registered as a 4.2 quake, and was centered about nine miles from Great Falls.

Tens of thousands of hidden earthquakes were recently discovered beneath the Yellowstone volcano by a group of international scientists, revealing ways to better inform the public of potential risks.

The earth's rumbling beneath Yellowstone, but don’t worry; scientists are keeping a close eye on that supervolcano and its playful eruptions.

The vast majority of the many quakes across the region are very small, rarely felt by people, and cause no damage.

Yellowstone is a dynamic geologic system—the one constant is change. This is demonstrated daily by hydrothermal activity ...