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

Any attempted human cloning would most likely utilize "reproductive cloning" techniques — an approach in which a "mature somatic cell," most probably a skin cell, would be used, according to NHGRI.

A Congressional hearing explores the possibility of human reproductive cloning. Health correspondent Susan Dentzer reports.

But the cloning of non-human primates (something that the authors of the recent cloning paper have worked on in the past) is not in itself a violation of human dignity, and a strong case can be ...

Most reproductive specialists believe that the danger to any human born by cloning is enormous. But the would-be human cloners are determined to clone a human baby.

HOLLYWOOD, Fla., Dec. 27 -- The scientific director of a religious sect that believes humans are clones of extraterrestrials today claimed that the first human clone, a seven-pound baby girl ...

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.

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.

Scientists replicate a study that produced the world's first cloned human embryos and used them to make stem cells.

In the 10 years since Dolly the cloned sheep was announced to the world, ethical and technical roadblocks to cloning a human embryo have remained substantial. At the same time, scientists have ...

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 ...