New research has mapped the cell types that specialize to form reproductive organs in both sexes, identifying key genes and ...

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 ...

During mammalian reproduction, millions of sperm undertake a journey that only one will finish. This journey to fertilization has been commonly viewed as a race: a sea of sperm competing to get to the ...

In a bizarre twist of evolution, some fish have been found to be able to control which sperm fertilizes their eggs in order to have the best offspring. According to a study published in the journal ...

One of the immutable truths about being alive is that we age. This happens at every level, down to our cells. When they divide, our cells copy our DNA into each new cell. But as the weeks, months, and ...

Genetic quality or genetic compatibility? What do female fruit flies prioritize when mating? Researchers show that both factors are important at different stages of the reproductive process and that ...

In 2017, Ashley Moffett, a reproductive immunologist, walked to the pharmacy near her laboratory at the University of Cambridge, UK, to buy a pregnancy test. But it wasn’t for Moffett. Her postdoc, ...