The Marco Polo argali sheep is the biggest sheep in the world. These creatures, native to Central Asia, can weigh up to 300 pounds, and they sport on their heads massive, heavy spiraling horns that ...

A Montana rancher was charged with illegally selling offspring from a cloned sheep across state lines. The retail value of the transported animals is $250,000 to $550,000, per court documents. The ...

If you were old enough to watch the news or read the paper back in the late 1990s, you very likely remember Dolly, the cloned sheep. Born in 1996, the researchers responsible for cloning her kept it ...

Photo: Montana Mountain King; Montana Department of Fish, Wildlife, and Parks/A.P. Montana rancher Arthur "Jack" Schubarth, 81, succeeded in cloning a wild Marco Polo argali sheep, the world's largest ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. LONDON (AP) — Ian Wilmut, the cloning ...