Researchers in South Korea on Thursday announced they succeeded in extracting stem cells from a cloned human embryo. Following a background report on the science behind the research, Margaret ...

Some technology trends are so transformative that they have the potential to change the future of what it means to be human. Here we look at the five tech trends that fall into this category.

Federal funding for human-embryo research was outlawed in 1995, which limits the number of researchers who can pursue therapeutic cloning.

Brave new cloning world - Leaders in the fields of politics, science and religion have been giving their reaction to the announcement that the biotechnology company Advanced Cell Technology has ...

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 ...