You'd think we'd know everything there is to know about sexual reproduction. But as it turns out, there are still quite a few ...

By studying genetic data from nearly 140,000 IVF embryos, scientists have with unprecedented detail revealed why fewer than ...

Dr. Camille Hoffman, a professor of maternal fetal medicine in the University of Colorado Anschutz’s School of Medicine’s ...

“While the human penis functions primarily to transfer sperm, our result suggests its unusual large size evolved as a sexual ornament to attract females rather than purely as a badge of status to ...

Over the past few years, studies have suggested that plastic particles from bottles, food packaging and waste have been ...

A new study suggests humans belong in an elite “league of monogamy,” ranking closer to beavers and meerkats than to chimpanzees. By comparing full and half siblings across species and human cultures, ...

According to research from a team at the University of Utah Health and the University of Nevada, Reno School of Medicine, ...

New research shows how sperm RNA changes as men age, revealing a biological shift that may affect reproduction and child ...

A large international study reveals that mammals tend to live longer when reproduction is suppressed. On average, lifespan ...

Trump team accused of lowering the value of a human life from millions to ‘zero’ dollars: report - For decades, the Environmental Protection Agency has calculated the health benefit costs associated ...

Silence often fills a home as a couple waits for their unborn child, echoing between quiet conversations and in the corners ...