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

Experts have dismissed the possibility of an eruption, saying, 'It’s Yellowstone being Yellowstone.' ...

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

Located in the United States, one of the world's largest volcanoes is gearing up to explode. It's known as the Yellowstone ...

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 ...

This less-visited Wyoming wilderness area, known as 'The other volcanic range' in Yellowstone, is known for stunning mountain ...

Some of Yellowstone’s past eruptions may be hiding, which makes it difficult to answer how many eruptions occurred in the ...

A 4.2 magnitude earthquake struck near Great Falls on Thursday, rattling residents across central Montana but causing minimal damage, according to the United States Geological Survey (USGS).

Learn more about the past eruptions at Yellowstone National Park and how each new eruption displaced evidence of the past.

Yellowstone National Park is one of the most popular and fascinating parks in the U.S. Naturally, there are quite a few ...

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

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.