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 ...

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 ...

Researchers found that microgravity impairs sperm navigation without affecting speed, reducing fertilization rates and ...

An international team of researchers has discovered a fundamental protein in human fertilization, called MAIA, which could lead to an improved understanding of infertility. For fertilization to be ...

Researchers have detailed the effects of zinc ion deficiency and excess on the periodical release of calcium ions, known as calcium oscillations—a process crucial for proper egg activation during ...