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 ...

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) ...

There’s not a grizzly bear in Yellowstone National Park that is willing to mess with a bison herd on full alert. The accompanying footage, captured Monday via the park’s livestream camera, 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 ...

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 -- ...

Two men face criminal charges for walking onto Old Faithful Geyser in Yellowstone National Park. Kimberly Guilliams tells KTMF-TV in Missoula, Montana, she saw the men leaning directly over the geyser ...

LANDER - Old Faithful, as it turns out, has been getting a bit sluggish during the dry times. Geologists have known for years that earthquakes can affect geyser activity, but a new study suggests that ...

The Yellowstone Caldera, a volcanically active region under and around Yellowstone National Park, has long been the subject of research, speculation and science fiction regarding the possibility of a ...