A new study takes a tour of the history of research into human embryology and development to show the "cycles of attention" that led to major scientific breakthroughs. Analyzing the past sheds light ...

Add Yahoo as a preferred source to see more of our stories on Google. As an evolutionary biologist whose career has focused on how embryos develop in a wide variety of species over the course of ...

Many Christians believe that life begins at the moment of conception – egg and sperm come together creating the new, unique ...

As commercial spaceflight draws ever closer and time spent in space continues to extend, the question of reproductive health beyond the bounds of planet Earth is no longer theoretical but now ...

A new international study warns that reproductive health in space is no longer a theoretical concern and that questions about ...

A pregnancy test detects the presence of the pregnancy hormone human chorionic gonadotropin, or hCG, in a person’s body. But the body doesn’t produce that hormone until several days after conception.

As Election Day approaches, there's a national spotlight on reproductive health care. This includes a medical process hopeful parents go through to grow their families called in vitro fertilization.