For a long time, having children has been a young person’s game. Although ancient records are sparse, researchers estimate that, for most of human history, women most typically conceived their first ...

Associated Press WriterWASHINGTON (AP) -- Cloning human beings for the purpose of reproduction is medically unsafe and should be banned but cloning to treat diseases should be allowed, a National ...

PISCATAWAY, New Jersey, November 15, 2023 (ENS) – From black puffs of diesel exhaust to the sun-blocking haze of orange wildfire smoke, air pollution is known to damage respiratory health. Now, ...

Men holding high positions within a hierarchical organisation have more offspring than those in other positions within the same organisation. This unexpected result, published this week in Ethology, ...

A study based on a review of genetic and health information from more than 276,000 people finds strong support for a decades-old evolutionary theory that sought to explain aging and senescence. A ...

In 2016, two Japanese reproductive biologists, Katsuhiko Hayashi and Mitinori Saitou, made an announcement in the journal Nature that read like a science-fiction novel. The researchers had taken skin ...

The slow maturation of human children—often viewed as burdensome in modern parenting—is, in fact, a remarkable evolutionary achievement. Unlike other species, humans remain biologically immature and ...