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 ...

As commercial spaceflight draws ever closer and time spent in space continues to extend, the question of reproductive health beyond the bounds of planet Earth is no longer theoretical but now ...

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 ...

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 ...

Sperm may lose their ability to navigate in microgravity, raising new questions about whether human reproduction is possible ...

The DNA of human embryos has been altered and studied for the first time in the UK, offering new insight into the early stages of human development. The DNA of human embryos has been altered and ...

RALEIGH, North Carolina (WTVD) -- House bill 163, a so-called "Right to Life at Conception Act," was filed Wednesday in the North Carolina General Assembly by Rep. Beverly Boswell (R-Dare County). The ...