Researchers at the MRC Laboratory of Medical Sciences (LMS) and Imperial College London have shown for the first time that, before they can start developing into egg and sperm cells, the embryonic ...

In human cells, DNA carries chemical or "epigenetic" marks that decide how genes will be used in different tissues. Yet in a ...

"If reproduction is ever to occur beyond Earth, it must do so with a clear commitment to safety, transparency and ethical integrity." When you purchase through links on our site, we may earn an ...

Having already withdrawn from the Human Rights Council, the U.S. has adopted an increasingly isolationist and obstructive stance within international institutions. Will the United States become the ...

The cerebellum, often called the little brain, plays a much bigger role in language processing than once believed. Located at the base of the brain, the cerebellum has long been thought to be mainly ...

Stem cells are precursors of a variety of different cells: They can turn into anything from blood to bone to muscle. Human blood stem cells, known as hematopoietic stem cells, are the forerunners of ...

Scientists have created human eggs containing genes from adult skin cells, a step that someday could help women who are infertile or gay couples have babies with their own genes but would also raise ...

For the first time, scientists have created fertilizable human eggs from skin cells—an advance that the researchers say could pave the way for new infertility treatments, though the technology remains ...

Scientists have used human skin cells to create fertilizable eggs capable of producing early embryos, an advance that could expand possibilities for fertility treatment, according to new research. The ...

Catherine Powell, an adjunct senior fellow for women and foreign policy at the Council on Foreign Relations, is the former White House National Security Council human rights director. Desirée Cormier ...