Not only is the bison one of the most iconic animals in North America, but it's actually the United States' national mammal.

For nearly 30 million years, a 2,000-pound beast known as the entelodont ruled a sweeping empire from Mongolia to what is now ...

The discovery of an 11,000-year-old village in Saskatchewan could rewrite Indigenous history in central Canada.

The Kentucky Department of Parks is accepting sealed bids for two bison at Big Bone Lick State Historic Site, an 800-pound ...

With serpentine necks, flippers and a mouth full of needle-sharp teeth, plesiosaurs have captured imaginations since ...