An unexpected discovery about fertilization from the University of Virginia School of Medicine reveals new insights on how sperm and egg fuse and could have major implications for couples battling ...

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 ...

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 ...

The University of Alabama at Birmingham health system is pausing in vitro fertilization treatments so it can evaluate potential consequences for giving treatment after the Alabama Supreme Court ruled ...

Space is big, empty, and apparently very confusing if you’re a sperm cell. According to a new study from the University of ...

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 ...

Artistic depiction of how fusion of a sperm with an egg at fertilization triggers a cascade of events that ultimately zips up the filamentous matrix around the egg, thus permanently blocking ...