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 ...

Add Yahoo as a preferred source to see more of our stories on Google. This week in science: Japanese researchers find out just how many times you can clone a clone; CERN takes antimatter on a road ...

The endangered Przewalski’s horse. Credit: Jessie Cohen, Smithsonian’s National Zoo Earlier this year, a baby Przewalski’s horse was born at the San Diego Zoo. But this foal isn’t any ordinary foal, ...

Revealing the limitations of cloning, researchers who repeatedly cloned mice for two decades have discovered that such serial duplication triggers grave genetic mutations that accumulate over the ...

Researchers in China have successfully cloned the first rhesus monkey, a species widely used in medical research because of its physiological similarity to humans. The monkey, named Retro, is now more ...