Human reproductive cloning is currently the subject of much debate around the world, involving a variety of ethical, religious, societal, scientific, and medical issues. This report from the National ...

People around the world increasingly experience the devastating effects of environmental crises – from extreme weather, food insecurity, and health issues linked to water and air pollution, to the ...

Michael Hart and his colleague Daryn Stover sifted through mounds of data going back over a million years in their quest to find out whether humans carry the same allele differences as sea stars. Why?

Pluripotent stem cells are cells that have the capacity to self-renew by dividing and to develop into the three primary germ cell layers of the early embryo and therefore into all cells of the adult ...

The male reproductive system includes organs like the penis and scrotum that function in urination and reproduction. Sex hormones like testosterone are vital for puberty, sexual function, and sperm ...