The cloning of human embryos by South Korean researchers has reignited debate about how to regulate human cloning. No reputable scientist wants to make artificial babies. But, there is heated ...

SAN FRANCISCO -- Just a few years ago, Michigan State University scientist Jose Cibelli was considered the leading expert on cloning human embryos to treat and study disease. Now, there's no debate ...

A Feb. 9 article incorrectly referred to Richard Doerflinger of the U.S. Conference of Catholic Bishops as the organization's director of abortion-opposition activities. Doerflinger's title is deputy ...

Last week, while the 15th Marine Expeditionary Unit was deployed in southern Afghanistan, researchers from Advanced Cell Technology in Worcester, Mass., announced that they had achieved the first ...

WASHINGTON (AP) -- President Bush called on the Senate Wednesday to pass legislation that would outlaw the cloning of human beings, technology that could be used in research and treatment of diseases.

For some time, scientists have been able to craft precise genetic copies of many creatures. Whether they are animals, or single cells, they are similarly referred to as clones. For various technical ...

Stepping into a research area marked by controversy and fraud, Harvard University scientists said Tuesday they are trying to clone human embryos to create stem cells they hope can be used one day to ...