Around 7:30 a.m. Saturday, a bull bison was walking near Grand Prismatic Spring when it stumbled into the water at the edge of the 160-degree pool.

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

Over 20 people have died after they entered or accidentally fell into the hot springs at Yellowstone National Park. There are signs everywhere that warn visitors not to get off the boardwalks or ...

Poland said the bison died fairly quickly after falling into Grand Prismatic, where temperatures reach about 192 degrees Fahrenheit. The boiling point at Yellowstone is about 200 degrees ...

The distinctive rainbow hot spring known as Grand Prismatic Pool, at Yellowstone National Park, is the largest in the US (Picture: Lane V. Erickson/Shutterstock) Yellowstone supervolcano ’s last ...

Grand Prismatic is the largest and deepest hot pool in Yellowstone, measuring 250 feet by 350 feet and dropping to 132 feet at its deepest. About 560 gallons of water at 188 degrees gushes from ...

Grand Prismatic is about 300 feet wide, and its temperatures reach 192 degrees Fahrenheit, Poland said. Boiling point at Yellowstone, because of its high altitude, is 200 degrees Fahrenheit.

The Grand Prismatic Spring is Yellowstone's largest hot spring, measuring approximately 112.8 metres in diameter and is over 37-metres deep. The park has several signs warning visitors to stay on ...