Meet Zhong Zhong and Hua Hua, two cloned macaque monkeys. Chinese scientists first unveiled these monkeys several weeks ago, marking the first time primates have been successfully cloned with the same ...

April 9 -- Cloning experts say that failed attempts to clone monkeys casts serious doubt on reported claims made by an Italian doctor that he helped impregnate a woman with her own clone. "Come on, ...

NEW YORK -- Scientists in Oregon say they've reached the long-sought goal of cloning monkey embryos and extracting stem cells from them, a potentially major step toward doing the same thing in people.

Chinese scientists clone monkeys using the same technique that produced Dolly the sheep two decades ago, breaking a technical barrier that could open the door to copying humans.

NEW YORK -- Scientists say they've reached the long-sought goal of cloning monkey embryos and extracting stem cells from them, a potentially major step toward doing the same thing in people. The ...

Gleaning stem cells from cloned monkey embryos, as a team of Oregon researchers has done, is an impressive step. But it probably won’t lead to medical treatments any time soon. The promise of ...