In this close-up examination, abnormal or "mutant" sperm display surprising shapes and structures that differ from typical ...

Scientists have detected microplastics — the tiny and pervasive fragments now found in our seas, drinking water, food and, increasingly, living tissue — in human semen and follicular fluid, according ...

Ultrastructure expansion microscopy of murine male germ cells reveals the fine molecular structures of centrioles (shown in the enlarged image). DNA is stained in blue, and the chromosome axis in red.

A couple is expecting their first child after 18 years of failed fertility treatments, thanks to an AI-powered system that detected three hidden sperm cells in a man previously diagnosed with ...