Add Yahoo as a preferred source to see more of our stories on Google. This microscope image provided by Osaka University and the Research Institute of Molecular Pathology in October 2024, shows the ...

The process of mammalian fertilization entails a finely orchestrated sequence of events whereby a capacitated spermatozoon navigates the female reproductive tract, binds to and penetrates the egg’s ...

Beads left magnetic sperm healthier than untagged cells, and a magnet steered them to an egg, a step toward conception inside ...

After the egg has been fertilized by a sperm, the surrounding egg coat tightens, mechanically preventing the entry of additional sperm and the ensuing death of the embryo, a new study finds. The work ...

Ascidian fertilization has long served as a tractable model for understanding fundamental mechanisms of gamete recognition, binding and fusion in chordates. Spermatozoa released into seawater are ...

The emotional and physical experiences that accompany family building may be overwhelming, particularly when infertility ...

How a sperm and an egg fuse together has long been a mystery. New research by scientists in Austria provides tantalizing clues, showing fertilization works like a lock and key across the animal ...