For the past five years, the prospect of human cloning has been the subject of much public attention and sharp moral debate. Several mammalian species have been cloned; the first cloned human embryos ...

Learn more about the cloned mouse that followed Dolly the sheep, and why cloning is still a taboo subject ...

Human reproductive cloning is currently the subject of much debate around the world, involving a variety of ethical, religious, societal, scientific, and medical issues. This report from the National ...

When Dolly the sheep – the first cloned mammal – was born 30 years ago, she became one of the most famous animals in science history. Her arrival sparked predictions of a sci-fi future filled with ...