We are exploring the top 10 largest animals found in the United States, from towering land mammals to massive ocean giants.

Bison typically give birth in the spring, and the tribe's bison foreman, Jack Heisler, said it's an example of how wildlife ...

Bison, the largest land mammals in North America, are easily recognized by their dark brown coats, massive heads, and distinctive horns, with males weighing up to 2,000 pounds. Watch the following ...

The incident unfolded near the Yellowstone River on Grand Loop Road when the tourist "decided to walk down the hill" near the ...

CNN founder Ted Turner, the largest private landowner in Nebraska and the United States and the nation's largest bison rancher, said Wednesday that he is about done buying new ranches.