"We still don't know exactly what makes labor start. We know all about the mechanics and physiology, but we don't know what makes the average uterus say, 'It's go time.'" ...

The human body is one of the most complex and fascinating machines ever studied, yet there’s still so much we don’t understand. Despite incredible advancements in medical science, doctors and ...

Space changes the human body in many ways. From bone loss to bloated faces, here's how microgravity and radiation affect the ...