If you've ever dreamed of standing on the edge of the Grand Canyon or watching Old Faithful erupt at Yellowstone, you might ...

Pack long underwear, a wool sweater, a down jacket, and a wind- and waterproof outer layer (like a Gore-Tex jacket and pants) ...

Video shows a bison completely unfazed by Old Faithful geyser eruption at Yellowstone National Park. Screengrab from Storyful A stoic bison didn’t care at all that an iconic geyser was exploding ...

A surprise eruption of steam in a Yellowstone National Park geyser basin that sent people scrambling for safety as large rocks shot into the air has highlighted a little-known hazard that scientists ...

BILLINGS (AP) — A surprise eruption of steam in a Yellowstone National Park geyser basin that sent people scrambling for safety as large rocks shot into the air has highlighted a little-known hazard ...

A hydrothermal explosion violently shook part of Yellowstone National Park's Biscuit Basin Tuesday, damaging a boardwalk as several park guests ran to safety. The explosion occurred at the Biscuit ...

I went to Yellowstone National Park and spent a couple of days, on and off, watching Old Faithful erupt, surrounded by summer tourists from every corner of America. And then -- as this video shows -- ...

Yellowstone Caldera Chronicles is a weekly column written by scientists and collaborators of the Yellowstone Volcano Observatory. This week's contribution is from Sin-Mei Wu, Jamie Farrell, and ...

Some, like the famous Old Faithful, erupt like clockwork and are well understood by the scientists who monitor the park's seismic activity. But the type of explosion that happened this week is less ...