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 ...

When Dolly the sheep—the first cloned mammal—was born 30 years ago, she became one of the most famous animals in science ...

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 ...

In a lab at the University of Yamanashi, one mouse line kept coming back in a form that looked almost unchanged. Researchers began with a single female donor and used her cells to make a clone, then ...

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 ...

The team, led by Professors Ian Wilmut and Keith Campbell, cloned Dolly from a single mammary gland cell from a Finn Dorset ...

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 ...

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 ...

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 ...