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 ...

A new study suggests humans belong in an elite “league of monogamy,” ranking closer to beavers and meerkats than to ...

The real revelation, however, came from the men. Men considered a larger penis as an indicator of a rival with both greater ...

The findings shed new light on human reproduction and suggest pathways for developing treatments to lower the risk of ...

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

Casual acceptance of no-fault divorce many years ago not only altered the ecology of marriage but also of anthropology itself ...

Elon Musk has touted Grok, the AI chatbot built into his social network X, as “maximally truth-seeking” and “the smartest AI in the world.” This week, X users found that Grok seemed to think just as ...

In 2018, Chinese scientist He Jiankui shocked the world when he revealed that he had created the first gene-edited babies. Using Crispr, he tweaked the genes of three human embryos in an attempt to ...

Off a quiet hallway on the top floor of a building at the University of Osaka in Japan, Katsuhiko Hayashi is hatching a revolution. Human embryo science: can the world’s regulators keep pace? He is on ...

Scientists have created human eggs containing genes from adult skin cells, a step that someday could help women who are infertile or gay couples have babies with their own genes but would also raise ...

For the first time, scientists have created fertilizable human eggs from skin cells—an advance that the researchers say could pave the way for new infertility treatments, though the technology remains ...