The Chinese scientist who was imprisoned for secretly creating the world’s first genetically-engineered babies has claimed he ...

“Reduced telomere length can be caused by embryonic cellular damage,” said study co-lead Dr. Yasmyn Winstanley. The ...

Feathers may define birds today, but their story began millions of years ago in creatures that looked very different from ...

A divorced Michigan couple disagreed about what to do with their last frozen embryo: she wants another child and he doesn't.

Scientists have found a way to study early embryonic development without real embryos. Using CRISPR, they programmed stem cells to self-organize into structures mimicking early embryos. The cells show ...

An NBC News analysis found hundreds of lawsuits over five years alleging that embryos were lost, destroyed or swapped by ...