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 ...

Recently, scientists have reviewed the existing literature to understand how space travel, space radiation, and microgravity affect human reproductive functions. This review was published in Npj ...

Human reproduction is influenced by a complex interplay of biology, genetics, and socioeconomic factors. Over the past few ...

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 ...

On the third day after fertilisation a human embryo is made of six to 12 roughly identical cells; on day four its cells appear to fuse into a mostly uniform blob; and on day five it puffs out to ...

If humanity’s future really is in the stars, what will that mean when it comes to, well, making more humans? As a number of experts have pointed out, venturing into space also means exposing people to ...

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 ...

Researchers at the University of Maine are theorizing that human beings may be in the midst of a major evolutionary ...

Scientists have detected microplastics in human semen and follicular fluid, the liquid that surrounds an egg in an ovarian follicle. "This is not an isolated finding –– it appears to be quite common," ...

What will humans be like generations from now in a world transformed by artificial intelligence (AI)? Plenty of thinkers have applied themselves to questions like this, considering how AI will alter ...