Add Yahoo as a preferred source to see more of our stories on Google. Photo: Montana Mountain King; Montana Department of Fish, Wildlife, and Parks/A.P. Montana rancher Arthur "Jack" Schubarth, 81, ...

LONDON -- Dolly the cloned sheep was put to death Friday, after premature aging and disease marred her short existence and raised questions about the practicality of copying life. The decision to end ...

LONDON (AP) _ Dolly, the world's first cloned sheep, has developed arthritis at a relatively early age, renewing debate about whether cloned animals are susceptible to premature aging and health ...

It’s been 20 years since the world was first introduced to Dolly, the Finn Dorset sheep. It’s been 20 years since the world was first introduced to Dolly, the Finn Dorset sheep who was the first ...

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 ...

Montana rancher Arthur "Jack" Schubarth, 81, succeeded in cloning a wild Marco Polo argali sheep, the world's largest ovine species. That achievement cost him six months in jail. The U.S. Department ...