When mammals have offspring, both in the wild and in captivity, new life is celebrated. This is especially true for species ...

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 ...

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 ...

Cat Bohannon, author of Eve: How the Female Body Drove 200 Million Years of Human Evolution, says sexism is a massive set of rules all cultures have to control female reproduction. For Bohannon, sex ...