Comparison of that ancient DNA with modern human DNA showed that the two species had interbred and that people today still ...

After taking office on Monday, President Donald Trump signed an executive order delaying a federal ban on TikTok for 75 days.

Scroll through artwork by the teenage winners of our Coming of Age in 2024 contest. Then, tell us how well the collection captures your feelings and experiences. By Katherine Schulten When ...

According to the Pew Research Center, the average American family downsized from 3.7 children in 1960 to 1.9 currently, and about 20 percent of households with children are one-child families.

Research studies have amply documented what most stepparents have experienced firsthand: many kids are hostile and reject their parent's new spouse, often for years, with feelings of disloyalty to ...

This webpage, including list of research projects available ... and whether they are covered by national insurance programs. The project will conduct a systematic review and examine any available data ...

Today’s contraceptive methods don’t meet the needs of all women and girls. We’re expanding our investments in research and development to create new and better options that are informed by a deep ...