In geology, even small layers can tell big stories. But figuring out the origins of such small layers can be a challenge, ...

The last super-eruption at Yellowstone occurred about 640,000 years ago, and the likelihood of another similar eruption in the near future is extremely low.

Yellowstone National Park, known for erupting geysers like Old Faithful, ... The last eruption to occur at Yellowstone was 70,000 years ago, according to the United States Geological Survey.

The last giant eruption at Yellowstone was 631,000 years ago. The July 23 explosion at Biscuit Basin was something called a hydrothermal explosion, according to the NPS.

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 ...

The caldera is the enormous volcanic crater left from the last time Yellowstone experienced a giant eruption, 640,000 years ago. It covers an area about 30 by 45 miles .

Yellowstone National Park's recent hydrothermal explosion is more common than you ... Past Yellowstone volcanic eruptions. It's been about 640,000 years since Yellowstone's last volcanic eruption.

The last super-eruption at Yellowstone occurred about 640,000 years ago, and the likelihood of another similar eruption in ...

The last giant eruption at Yellowstone was 631,000 years ago. The July 23 explosion at Biscuit Basin was something called a hydrothermal explosion, according to the NPS.

The last giant eruption at Yellowstone was 631,000 years ago. The July 23 explosion at Biscuit Basin was something called a hydrothermal explosion, according to the NPS.