It's a commonly held belief: Sperm cells are like runners in an epic race, competing against each other for access to the coveted egg at the finish line. The egg, in turn, waits patiently for the ...

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 ...

We often imagine sperm as swimmers, tiny cells whipping their tails to power through fluid on a mission toward the egg. However, a new discovery from Monash University researchers reveals a far more ...