A symbiotic bacterium helps whiteflies produce more young, but with a downside.
The reproductive system is a collection of organs found in both sexes that work together for the purpose of producing offspring. Check here for the latest news related to the reproductive system, including fertility treatments and potential new technologies for having children.
Males can tell if their group mates are fertile, while monkeys who don't know the lady-monkey in question can't.
New world monkeys have a different form of oxytocin than other mammals, and it might act differently too.
Snails whose shells coil counterclockwise have trouble hooking up with snails whose shells twist clockwise, study finds.
Whales and women have different life histories, but dispersal and breeding patterns may reveal why both stop reproducing relatively early in life.
Scottish sheep either have super immune systems or super reproductive systems to survive the elements.
When threatened by the scent of crayfish, hermaphroditic snails waited less to reproduce on their own and their offspring appeared to benefit.
A new test can separate healthy sperm from sperm with damaged DNA with 99-percent accuracy, upping chances of successful IVF procedures.
Molecule that starts sperm identified, could lead to treatments for male infertility, contraception.