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 anytime soon. One hurdle is ethical ...

Researchers have produced two monkeys with a procedure similar to that used to clone a sheep in Scotland, a development expected to help research into AIDS, alcoholism, depression and other illnesses.

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.

WASHINGTON (AP) – Researchers seeking alternate ways to clone tissue for medical purposes have created a monkey embryo without the use of sperm to make stem cells that then can be turned into heart, ...

(Updates with quotes from researcher, details) By Maggie Fox, Health and Science Editor WASHINGTON, Nov 14 (Reuters) - U.S. researchers have cloned monkeys and used the resulting embryos to get ...

Scientists have created a comprehensive "atlas" of what early embryonic development looks like in mammals, showcasing how a fertilized egg transforms into a complex organism with a distinctive shape ...