The cetacean blowhole is a unique kind of nasal passage: It rises at an angle relative to the roof of the mouth and exits at the top of the head.

One enzyme may determine whether human development starts correctly. The discovery could help explain why some fertilization fails.

The first test of a Zika vaccine given before conception could support development of another vaccine in early trials in humans.

The developing eyes of a fetus can detect light far earlier than previously thought, according to new research.

"We wanted to know if this could work at all. The trick was how to direct the gene-editing machinery to target cells that line the airways of the lungs."

"…the placenta could actually help the mother's brain adapt to changing conditions during pregnancy to maintain a harmonious environment."