Distinguishing closely related animal species can sometimes feel like an exercise in semantics. But there are real ...

Yellowstone National Park in Wyoming is in the top 5 most visited parks and is giving some tips for people planning a trip there this summer.

A bison spotting on a road in Yellowstone National Park? No big deal. But a bison holding up traffic in Northern Michigan? That could cause some issues.

Cowbirds are not evil; they are just doing their best to survive. Many other species prey on bird eggs and young birds – ...

Molecular clues from collagen in old bones are teaching us about the lives, movements, and demise of Ice Age megafauna like ...

Gov. Jared Polis on Thursday signed a bill that designates wild bison in Colorado as big game wildlife, meaning people can no ...

Colorado Gov. Jared Polis signed a bill on Thursday morning to protect wild bison that move from neighboring states into ...

A symbol of the West and vital sustenance for Native Americans who lived on the western Plains, the bison was hunted to near ...

Popular national parks brace for record-breaking visitation as peak summer travel approaches. But away from the spotlight, a ...

At the Nachusa Grasslands, there are more than 4,000 acres of restored tallgrass prairie — and one herd of bison. Noel Brennan reports.

Colorado governor Jared Polis signs bills to protect animals, including wild horses and bison, and allows pets in public ...

Lakota, a 1000-kilogram American bison, made the transition into public life last month when he moved habitats. He previously ...