James Talarico fundraised with a top surgery doctor days after saying he opposes sex change surgeries for minors, drawing ...

Genes associated with male reproductive biology appear to be under relaxed selective constraint in a primate species with low sperm competition.

At the Supreme Court, the unfounded fear of boys masquerading as girls in youth sports rolled the clock back on gender ...

It may be doubted if there are any other animals which have played such an important part in the history of the world as ...

The impacts of climate change are evolving and affecting different groups in different ways, with women often facing greater ...

The reality is turtles cross roads all of the time. And judging by the evidence of the failure of some large snapping turtles recently, I'm not sure they're great at it. But if I lived under water 95% ...

Female mammals have long thought to be born with all the eggs they would ever have, but new research is challenging that consensus ...

That beacon was lit by Black women who insisted that the fights for racial justice and reproductive freedom were one and the ...

Female fertility depends on the successful growth and maturation of eggs (oocytes) within ovarian follicles. Within these ...

Although many women conceive naturally after the age of 35, fertility gradually declines with age, and the risk of pregnancy-related complications also increases. The good news is that advances in ...

A new study of wild bats reveals that an animal's immune system is shaped by more than its need to fight infections. Researchers from the University of Maryland have found that sex, age and ...