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

"We still don't know exactly what makes labor start. We know all about the mechanics and physiology, but we don't know what ...

Astronauts Suni Williams and Butch Wilmore are back on Earth - but what has nine months in space done to them?

Human biology is not black and white. Although newborns are typically categorized as male or female at birth based on visible ...

Two NASA astronauts who have returned to Earth after spending nine months in space now face a long road to recovery and weeks ...