Two groups at Harvard University announced on Tuesday that they have received approval to start human-cloning research aimed at creating lines of embryonic stem cells to study and treat diseases. “We ...

Two groups at Harvard University have announced that they have received approval to start human-cloning research designed to create lines of embryonic stem cells to study and treat diseases. “We are ...

A mouse cloning experiment that ran for two decades and spanned 58 generations of serial recloning has reached a dead end, with the final generation failing to produce viable offspring. The collapse, ...

Colorful little house mice sit in a coconut house with straw. Animal for research, experiments, field pest, pet, pet shop, animal care© MiViK/Shutterstock.com Once in a blue moon, an animal cloning ...

Add Yahoo as a preferred source to see more of our stories on Google. Photo collage of rhesus monkeys on top of microscope photography of cells. Researchers in China have successfully cloned the first ...

Back when it was no more than a cheesy science-fiction plot device, human cloning seemed like something that would eventually be revealed to a horrified world full-blown and fully grown–a monstrous ...

Cloning promises genetic copies, but a growing body of research across dogs, mice, cattle, and primates shows that clones begin diverging from their donors almost immediately. Thousands of unique ...

The only researchers to show publicly that they cloned a human embryo said Tuesday that they had successfully repeated the experiment, growing an embryo to the 16-cell stage. Subscribe to read this ...