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 ...

He was told by his teacher at Eton that his dreams of being a scientist were 'quite ridiculous' after failing abysmally in biology class. But rather than whither in the face of the put-down, Sir John ...

LONDON - The world's first cloned sheep has developed arthritis at the relatively early age of 5½ years, scientists said Friday, stirring debate that the current cloning procedures might be flawed.

TEHRAN, Iran -- In less than two months, Iran hopes to celebrate the birth of cloned sheep, the first such attempt in the Middle East and part of the country's ambitions -- along with its nuclear and ...

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 ...

Many of us remember Dolly, the first cloned sheep. She was born in Scotland in 1996 and had six lambs in her life. Some of the animals that have been cloned are cows, dogs, frogs (tadpoles), ferrets, ...

Chinese researchers have successfully delivered a cloned yak via caesarean section (C-section). Born on July 11, the baby yak was bred at a breeding base in Damxung County, southwest Tibet—also known ...

LONDON(Reuters) - The heirs of Dolly the sheep are enjoying a healthy old age, proving cloned animals can live normal lives and offering reassurance to scientists hoping to use cloned cells in ...

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 ...