Photos of the incident show the man casually walking across the park's delicate protected bacterial mats to collect fallen ...

Other Yellowstone visitors were horrified Monday as they watched a man in flip-flops walking off the board walk onto the ...

The bison died in the boiling waters of the Grand Prismatic Spring. This happens from time to time, but usually not in front of a crowd.

The incident occurred at Grand Prismatic Spring near Old Faithful as tourists were enjoying a close-up view of the famous and popular hot spring.

A bison died after it appeared to stumble into a popular hot spring, where temperatures reach 192 degrees Fahrenheit, while tourists watched on at Yellowstone National Park1.

"I wish Congress would make the fines in national parks much larger." Onlooker captures upsetting video of tourist's ...

Members of Montana’s congressional delegation have introduced bicameral legislation implementing a presidential order that ...

A teenage boy visiting Yellowstone National Park was seriously burned when his foot broke through the ground near a geyser by ...

Looking for the best things to do in Yellowstone National Park? From famous geysers to hidden hot springs, here are some unforgettable ways to explore the park.

The color given off by Grand Prismatic’s bacteria is a pigment that they use as sunscreen. By the time the water gets to the edge of the spring, it has cooled to about 147 degrees.

Members of Montana’s congressional delegation have introduced bicameral legislation implementing a presidential order that ...