The process remains technically demanding, costly, and limited.

Add Yahoo as a preferred source to see more of our stories on Google. Photo collage of rhesus monkeys on top of microscope photography of cells. Researchers in China have successfully cloned the first ...

When Dolly the sheep – the first cloned mammal – was born 30 years ago, she became one of the most famous animals in science ...

When Dolly the sheep—the first cloned mammal—was born 30 years ago, she became one of the most famous animals in science ...

News that a Worcester, Mass., company had succeeded in cloning human cells has ignited something of a political firestorm at the White House and on Capitol Hill. President Bush and some on Capitol ...

Add Yahoo as a preferred source to see more of our stories on Google. Netflix has unveiled "King of Clones," a sensational documentary film featuring unprecedented access to South Korean scientist ...

WASHINGTON (Reuters) - Mostly Republican lawmakers defeated a Democratic bid on Wednesday to outlaw cloning of human babies, concurring with the White House that the effort was flawed and would still ...

Researchers in China have successfully cloned the first rhesus monkey, a species widely used in medical research because of its physiological similarity to humans. The monkey, named Retro, is now more ...