An Ohio zoo that has the last Sumatran rhino in the United States announced plans Tuesday to send him to Southeast Asia on a mission to mate and help preserve his critically endangered species.
Some mountain gorilla females linger into adulthood in the group into which they were born. In the process they also remain in the company of their father, who is often their group's dominant male. To curb inbreeding, though, ...
Studies into male birds that produce offspring well into their old age could deepen concerns over the trend for delaying parenthood until later in life, for both men and women.
Previous research has shown that infanticide by males is widespread in many mammal species, but most commonly occurs in those species where females live in social groups dominated by one or a few males.
Scientists have discovered a new form of non-genetic inheritance, showing for the first time that offspring can resemble a mother's previous sexual partner – in flies at least.
Male stickleback fish that protect their young have bigger brains than counterparts that don't care for offspring, finds a new University of British Columbia study.
Scientists have modified mosquitoes to produce sperm that will only create males, pioneering a fresh approach to eradicating malaria.
Whether an insect will have a male or female offspring depends on the weather, according to a study led by Joffrey Moiroux and Jacques Brodeur of the University of Montreal's Department of Biological Sciences. The research ...
Glossy magazines and TV reality shows often portray males as the gender that strays and females as the gender that's picky.
Males will mate with anything. Well, that is the general view, one that exists because of a simple biological underpinning: females are reproductively limited by costly gestation, while males are only limited by their number ...