In the face of the very real cross of infertility that many couples face today, the Church instead promotes research into ...

In a proof-of-concept experiment, scientists demonstrated that you can create and fertilize human eggs in the lab using sperm ...

In a common metaphor used to describe human fertilization, sperm cells are competitors racing to penetrate a passive egg. But as critics have noted, the description is also a “fairy tale” rooted in ...

While many hail the ruling, critics fear mutant creatures may result. Sept. 13, 2007 — -- Last week, Britain made a landmark decision that allows researchers to use animal eggs in the creation of ...

SAN FRANCISCO -- A cellular signaling system that responds to THC, the active substance in marijuana, as well as to anandamide, a cannabinoid-like molecule normally produced in the body, may regulate ...

Who hasn't seen it before: the view through the microscope in which a sperm penetrates an egg cell and fertilizes it. This fundamental step in procreation happens dynamically and seemingly without ...

The British public has been misled in regard to the Human Fertilization and Embryology Bill, according to many Catholic Ministers of Parliament. The bill passed this week in the UK allowing admixed ...

Human bodies have to be built from a single egg cell that's fertilized by a sperm cell. Many rounds of cell division occur as the body is developing, and it seems that there are plenty of chances for ...

Medical professionals and fertility clinics are prohibited, under penalty of law, from experimenting on a prospective parent(s) human reproductive material, including sperm, ovum, or embryo at any ...