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 ...

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 ...

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 ...