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.

Stem cell IVF could enable same-sex couples and single parents to have genetically related children. It’s time to think ...

A team of stem cell scientists have successfully used embryonic stem cell engineering to create a bi-paternal mouse—a mouse with two male parents—that lived until adulthood. Their results, publishing ...

Vegetative reproduction from stems, roots and leaves is common to all plants and results in an identical plant from which the cutting came; it’s a clone. As gardeners, we propagate cuttings for many ...

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.