Video shared on social media shows tourists walking on the fragile crust of Yellowstone National Park’s largest hot spring.

Walking on the mats is considered “thermal trespassing,” and is punishable by fines, park bans, and even jail time. Despite warning signs clearly instructing visitors to stay on designated paths, ...

Park officials warn visitors that thermal areas can be deadly, even when the ground appears safe.

A man who was thrown into the air by a bison in Yellowstone National Park says the animal didn't seem aggressive until it ...

Carl Isom-McDaniel was on a walk with his grandson at Yellowstone National Park earlier this month when a bison suddenly charged at him and threw him 8 feet into the air.

Two tourists got dangerously and illegally close to Grand Prismatic Spring on Sunday in Yellowstone. Montana resident Tanya ...

A man is recovering from multiple broken bones after a bison tossed him into the air during a walk with his grandson in ...

The bison that tossed a grandfather into the air at a Yellowstone campground will face no management action, park officials ...

The man and his grandson appeared a safe distance away from the bison before it quickly chased them down.

A Yellowstone National Park visitor suffered serious injuries after an aggressive bull bison charged and tossed him into the ...