(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 ...

MONTGOMERY, Ala. (WIAT) — A new bill has been introduced in the Alabama Legislature that would classify human cloning as a felony. HB380, introduced by Rep. Phillip Rigsby, R-Huntsville, classifies ...

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.

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 ...

Researchers in Oregon claim to have solved the tricky problem of cloning human stem cells, but you're more likely to see a duplicate of a years-old ethics debate than you are a duplicate human. This ...

Scientists in Massachusetts said yesterday they had succeeded in creating the world's first cloned human embryos, a controversial advance intended to speed the development of new medical therapies but ...