Even in animals, cloning remains challenging, with most clones showing abnormalities and dying early; and human cloning would be far more difficult, he said.

Researchers report they have cloned human embryonic stem cells for the first time.

The world just changed. An international consortium of scientists have announced that they have successfully cloned human beings using the process that led to Dolly the sheep. They were able to dev… ...

Will affluent people start cloning replicas for easy organ donations? Will large corporations begin cloning low cost labor forces? The short answer is no. The longer answer is a little more ...

In particular, cloning opponents should beware phony bans that pretend to outlaw cloning but actually legalize the SCNT process using human DNA. This sleight-of-hand has been tried before.

Should we clone human beings? Some scientists are dead-set against it. Many others argue for limited cloning for research and therapy. Then there's Gregory Stock. A visiting professor in the ...

A private company in California has published a paper claiming that its scientists have successfully created cloned human embryos. If you think you have heard this before, you are right.