Nearly three decades since the remarkable cloning of Dolly the sheep, it has all gone quiet on the human cloning front.

This breakthrough represents a big step toward creating animal hybrids capable of growing human-compatible organs, easing the ...

BOSTON -- Several animal species have already been cloned into new adults. Many researchers felt sure the first primitive human embryo would soon follow. Yet the achievement, announced by Advanced ...

Most of the scientists who gathered in Washington earlier this month to talk about human cloning agreed that cloning an entire human being–besides being morally questionable–was fraught with technical ...

Disgraced South Korean scientist Hwang Woo-suk will open a laboratory in Seoul this month to resume his work on animal cloning, and perhaps restart research on human embryonic stem cells, his lawyer ...

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 ...

We think of science as a clean and logical place where, with the right skills and instruments, you can see the world in a grain of sand. So what happens when you cross science with a circus full of ...

AUSTIN -- A debate over when life begins for a clone is brewing in the background of a bill passed Thursday by the Texas Senate to ban the cloning of human beings. Scientists have said the cloning ...

UNITED NATIONS -- American and Vatican differences with France and Germany have delayed work on drafting a U.N. treaty against human cloning for at least a year. The General Assembly adopted a ...