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

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

“Even more colossal” is the way University of Utah researchers now describe the Yellowstone super volcano, which lies under the Wyoming’s northwest corner, after discovering that it is over twice as ...

U of U geology professor Robert B. Smith has made a 50-year career out of studying Yellowstone. He presents a lecture on the Yellowstone Supervolcano Wednesday, March 18, at 7:30 p.m. at the Skaggs ...

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

A new thermal vent spewing steam in the air at Yellowstone National Park is gaining attention, mainly because it's visible from a road rather than any significant change in the park famous for its ...

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