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 ...

Analyzing embryo movements in uteruslike environments could offer clues to improving the success rate of in vitro fertilization ...

Sixty percent of miscarriages are caused by the failure of an embryo—the developmental stage before a fetus—to implant in the woman’s uterus. Part of the problem is that researchers have no idea how ...

While this breakthrough does not mean human same-sex reproduction is around the corner, it offers valuable insights into embryonic development, genetic imprinting, and cloning.

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 ...