Nature does not reward politeness, and being a male or female doesn't change that rule either. Across the animal kingdom, the ...

The cellular biology of reproduction is often depicted as an epic journey, in which millions of intrepid sperm fight to be the first to claim the ultimate prize: the chance to fertilize the egg, which ...

An unsung appendage in the female body, which has long been considered useless, may actually be essential for ovary development and fertility, a new mouse study finds. This structure, called the rete ...

Add Yahoo as a preferred source to see more of our stories on Google. In 2017, Ashley Moffett, a reproductive immunologist, walked to the pharmacy near her laboratory at the University of Cambridge, ...

Fertility in your 20s and 30s isn’t always guaranteed. An expert explains hidden reproductive health risks, lifestyle factors, and early warning signs to watch for.

Scientists are making inroads in understanding one of the central mysteries of human reproduction: Why do women’s eggs deteriorate as they age? The broad strokes have been well-known - the ticking of ...