An international team of experts in embryology and bioethics has published the first white paper on the use of embryonic ...

International scientists set up a rescue plan for the last three northern white rhinos (Ceratotherium simum cottoni) on Earth. The goal is to use the remaining three rhinos and tissue samples from ...

Researchers have discovered, for the first time, a common molecular pathway that is used by both normal stem cells and cancer stem cells when they reproduce themselves. Researchers at Stanford ...

For the first time, scientists said Thursday that they had bred mice with two genetic fathers, steering around biological hurdles that would otherwise prevent same-sex parents from having offspring.

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. Scientists have for the first time shown that fully mature egg cells ...

Until recently, the only way to make eggs or sperm was the old-fashioned way: in the ovaries and testes. In the not-too-distant future, it may be possible to use cells from almost any part of the body ...

For the first time, scientists said Thursday that they had bred mice with two genetic fathers, steering around biological hurdles that would otherwise prevent same-sex parents from having offspring.