Rachel Lehmann-Haupt

Humans are forever altering these mythical islands through unnatural selection. Rewilding them entails finding a delicate balance between the needs of turtles, tourists—and local residents.

Male contraceptive gels, “night-before” pills that disrupt ovulation, and the brave future of human contraception.

With 27 biological children and three surrogate pregnancies under her belt, it’s all business as usual for Tyra Reeder.

Bio bags, robotic preemies, artificial wombs, and the coming revolution in postnatal care to save babies born too soon.

When artificial sperm and eggs become a reality, the sex of your babymaking partner won't matter.

Seeing a thousand of my potential progeny gave me a glimpse of new things that future parents will stress over.