Yellowstone National Park visitors were startled last month by an unexpectedly fierce hydrothermal explosion – an eruption of underground hot water – that spewed steam, boiling water, mud, and ...

Yellowstone's last volcanic eruption happened some 70,000 years ago, and the events weren't giant eruptions, on the scale that would deposit ash over a huge swath of the U.S.

Yellowstone's last volcanic eruption happened some 70,000 years ago, and the events weren't giant eruptions, on the scale that would deposit ash over a huge swath of the U.S.

A large explosion sent visitors running down the boardwalk of one of Yellowstone National Park's famed thermal pools on Tuesday as boiling water, mud, rocks and steam spewed high into the air.

The area northeast of Yellowstone Lake is home to the three largest-known hydrothermal explosion craters on earth: Mary Bay, a mile-and-a-half wide crater formed 13,000 years ago; Turbid Lake, a ...

The hydrothermal explosion happened in Yellowstone National Park's Biscuit Basin just before 10 a.m. local time on Tuesday, July 23. Latest U.S.

The explosion at Yellowstone National Park’s Biscuit Basin area in July is not as uncommon as you may think as one expert weighs in on if the incident possibly formed a geyser.

Hydrothermal Explosion at Yellowstone Damages Boardwalk, Sends Visitors Running: 'Unbelievable' "No injuries were reported and the extent of damage is unknown at this time," the park said in a ...

Videos have started circulating of a large explosion that happened at Yellowstone. A large pillar of black and gray smoke and soot is seen rocketing into the sky in these videos, scaring those ...

POCATELLO, Idaho — After the "most-recorded" hydrothermal explosion happened in Yellowstone National Park last month, many wonder if a super volcano eruption is imminent. In short, the answer is ...