The public's attention is on the controversial move of actor Lee Si-young by transplanting an embryo without the consent of ...

For the first time, scientists have 3-D printed objects within living cells, including a 10-micrometer long elephant and tiny “barcodes” that could help track individual cells. Remarkably, many of the ...

In a discovery that could reshape approaches to regenerative medicine and bone repair, researchers have found that human stem ...

After trying to conceive for 18 years, one couple is now pregnant with their first child thanks to the power of artificial intelligence.

During animal development, cells divide and arrange themselves in a coordinated way, eventually forming the embryo. The cells ...

Scientists in China have developed the world’s first 3D model of early mouse embryos, revealing how life forms in its initial stages at single-cell resolution. The team said this was a first ...

A team of scientists at the MRC Laboratory of Medical Sciences (LMS) has uncovered a previously unknown mechanism that controls how genes are switched "on" and "off" during embryonic development ...

In an earlier essay, we argued that those who grant a special moral status to human embryos cannot consistently refuse to grant a similar moral status to other entities, such as stem cells, that also ...

BOSTON — A Harvard University researcher accused of smuggling clawed frog embryos into the United States was indicted Wednesday on additional charges.

The chromosomes of human embryos seem to be more unstable than previously thought. An analysis of embryos derived from in vitro fertilization reveals high rates of structural abnormalities ( pages ...

DNA barcodes enable researchers to track cells early in embryo development as they divide, migrate and specialize into the organs, tissues and systems that keep us alive.