Christian Kramme grew up in a big family, the youngest of seven kids raised in California’s Santa Clarita Valley. By the time he moved across the country to do a PhD in George Church’s lab at Harvard, ...

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 ...

Scientists say they have found a way to test ancient human remains for hormones linked with pregnancy, a breakthrough that may allow archaeologists to determine whether a woman was pregnant or had ...