Human reproductive cloning is an assisted reproductive technology that would be carried out with the goal of creating a human being. It is currently the subject of much debate around the world, ...

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 Warner ...

Cloning is a biotechnological process that involves creating genetically identical copies of an organism or cell. In essence, a clone is an exact genetic replica of the original organism or cell, ...

Scientists from across the world, many from the developing world, will call for a worldwide ban on human reproductive cloning at a UN meeting next week. The UN committee has been looking at the ...

Last month, we said that human reproductive cloning should be banned and embryonic stem cell research encouraged. In the United States, stem cell research has become an election-year issue, although ...

We think of science as a clean and logical place where, with the right skills and instruments, you can see the world in a grain of sand. So what happens when you cross science with a circus full of ...

Cloning promises genetic copies, but a growing body of research across dogs, mice, cattle, and primates shows that clones ...

Researchers often call the polymerase chain reaction test – known as the PCR test – "the gold standard" for detecting the COVID-19 virus. The test is considered highly reliable and effective, and it ...