The female reproductive system includes organs that produce hormones like estrogen and progesterone. Ovaries release one mature egg each month during ovulation. Fallopian tubes transport the egg from ...

Quick Take Like the Ancient Greek warriors from which its name derives, the Amazon molly is an all-female fish species that ...

Learn how the Amazon molly, an all-female fish that reproduces asexually, uses gene conversion to maintain healthy DNA and survive more than 100,000 years without males.

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 ...

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 ...