where this female stored the giant sperm cells after mating. This image relates to an article that appeared in the June 19, 2009, issue of Science, published by AAAS. The study, by Dr. Renate ...

A sperm cell fertilising an egg cell. The sperm carries genes from the father to the offspring, but our research has shown it could also carry a legacy of a father's infection with the Toxoplasma ...

In an advance for treating male infertility, researchers transplanted a patient with his own sperm-forming stem cells that ...

Kanazawa University and colleagues have achieved a breakthrough in understanding sperm DNA packaging. Using high-speed atomic force microscopy (HS-AFM), they captured the real-time process of ...

the females use the sperm to activate eggs but cast aside the sperm’s DNA. After fertilization, when the cells of the developing embryo divide, the male DNA is cloistered away in a compact bundle ...