When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. A female zebra shark (Stegostoma fasciatum) has given birth by fertilizing her own eggs, despite ...

Reproduction involves making quality gametes – egg and sperm – which are essential for species continuity and therefore have huge implications for human health. The quality of the gametes is not only ...

A Princeton University anthropology professor said it is "bad science" to believe biological sex is binary – only male and female – by basing it on reproductive cells. The Ivy League professor, ...

Female turkeys could be running the roost for years to come. New research from the University of Georgia published in the ...

In the debate over human origins and the nature of sexual reproduction, religious and scientific perspectives often diverge. The Bible claims man came first, with women derived from man’s rib. Yet, ...