Go head-to-head with the bighorn sheep. Learn more about the life of these alpine creatures.

Bighorn sheep are the trojan horse of the anti-grazing activists, a sad fact that draws attention and resources away from comprehensive research and management to help bighorns thrive.

The Rocky Mountain bighorn sheep springs up near-vertical cliff faces with ease. Special hooves help them snag little protrusions in the rocks and give them grip.

While bighorn sheep exist in other western mountain ranges, the Sierra Nevada subgroup is genetically distinct—the remaining 350 sheep are all that remain of the species.

LOVELL — A strain of lethal pneumonia has re-emerged in Devil Canyon bighorn sheep, after at least 45 sheep were killed in the first outbreak.

Two different people recently sent me amazing pictures that have been all over the Internet of bighorn sheep climbing up and down what seems to be an impossibly steep ...

Sheep trained to recognize celebrity faces demonstrate that the animals have face-recognition capabilities similar to humans and other primates.

Domestic sheep-borne disease, reduction of habitat and ranching have all contributed to their decline nationwide, but they continue their fights in the steep canyons of Montana and Wyoming ...

Redditor my_bday_is_tomorrow posted a photo of a bighorn sheep that was caught making the most terrifying of faces.

An 81-year-old Montana man faces sentencing in federal court Monday in Great Falls for illegally using tissue and testicles from large sheep.

While bighorn sheep exist in other western mountain ranges, the Sierra Nevada subgroup is genetically distinct -- the remaining 350 sheep are all that remain of the species.