NOTICE: The project that is the subject of this report was approved by the Governing Board of the National Research Council, whose members are drawn from the councils of the National Academy of ...

For all the ambition packed into humanity's plans for Mars colonies, lunar bases, and permanent off-world settlements, one fundamental question has quietly gone unanswered: can humans actually ...

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 ...

Researchers have captured the very first real-time, three-dimensional images and videos of a human embryo implanting into synthetic uterine tissue—revealing a key stage in reproduction. The resulting ...

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 ...

From pregnancy to stronger immune responses, science reveals unique biological abilities that women possess and men cannot ...

Embryo implantation is a finely orchestrated sequence whereby the blastocyst establishes direct contact with the maternal endometrium during the limited receptive window of the menstrual cycle.

The seat of human life, a reproductive system that includes the uterus, ovaries, cervix, vagina and vulva, is often shrouded in mystery, subjected to regulation, or seen as an anchor for social and ...

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 ...