Two tourists sparked severe backlash when they risked their lives by walking across the Grand Prismatic Spring’s fragile bacterial mats in Yellowstone National Park. Tanya Saueressig, a visitor from ...

"The ground may look solid, but it can be just a thin crust with superheated water below," a park spokesperson told Newsweek.

Ever been mesmerized by the swirling colors of Grand Prismatic Spring and wondered what fuels that otherworldly boil? It turns out that beneath the wild expanse of Yellowstone National Park lies one ...

Tanya Saueressig had to stop reading the comments shortly after her video of two women walking across Grand Prismatic Spring went viral.

A day at Yellowstone includes Mammoth Hot Springs, Grand Prismatic Spring, Old Faithful and an unexpected bison blockade on the road. Snowy landscapes, steaming geothermal features, waterfalls and ...

The summer crowds at Yellowstone National Park were confronted with the heartbreaking sight of a bison stumbling and then falling into the 160-degree Grand Prismatic Spring, one of the park’s main ...

A pair of tourists were caught on camera walking off-trail last Saturday, illegally approaching the dangerous banks of the Grand Prismatic Spring in Yellowstone National Park.

Visitors are supposed to stick to designated walkways around thermal features at Yellowstone National Park. It’s not just for their own safety or the protection of the park’s famed, fragile resources.

The animal appeared to stumble into the Grand Prismatic Spring near Old Faithful on June 21 William Campbell/Getty A bison died at Yellowstone National Park when it seemingly stumbled into a hot ...