(CNN) -- A human embryo, containing about a couple hundred cells, is smaller than the period at the end of a sentence. Scientists need strong microscopes to see these precursors to life, and to take ...

Scientists say they’ll go ahead anyway. Lawmakers, seeking to rein in the scientific appetite for human experimentation, are attempting to ban human cloning. On July 31, the House approved a bill, 265 ...

The British parliament has voted to allow the cloning of human embryos, despite a united appeal by the country’s religious leaders urging delay. The Archbishop of Canterbury, the two most senior Roman ...

Stanford University announced yesterday it would create an institute to develop medical therapies from human embryonic stem cells, the promising but controversy-laden cells found inside human embryos.

SEATTLE - In a clash of politics and science, the first successful cloning of a human embryo - and the extraction of stem cells from it - has ignited new calls for a ban on all forms of human cloning ...

An entirely appropriate stew of scientific vexation and mortification has accompanied revelations that the incredible Korean achievements in human embryonic cloning and stem cell research are exactly ...

WHEN IS A CLONE not a clone, and an embryo not an embryo? When the biotech lobby wants to persuade Americans that creating a cloned embryo and then destroying it for the sake of medical ...

VATICAN CITY (Reuters) - A Vatican bioethics document Friday condemned artificial fertilization and other techniques used by many couples and also said human cloning, "designer babies" and embryonic ...

A Dec. 26 front-page article about human cloning legislation incorrectly reported the location of a recent meeting between Sen. Bill Frist (R-Tenn.) and representatives of a Massachusetts biotech ...