Biologist Christopher Coe answers readers’ questions about the prescient organ.

The animal world is full of clever solutions to bioengineering challenges.

Meet some of the people featured in the August 2015 issue of The Scientist.

The maternal-fetal interface plays important roles in the health of both mother and baby, even after birth.

Debating the origins of placental mammals; H. pylori-human coevolution; ant, bee, and wasp queens emit similar pheromones; profiling protein expression in single cancer cells

A new analysis suggests that placental mammals originated while dinosaurs were dominant, contradicting a recent high-profile study.

A small insect-eating animal is the common ancestor of whales, elephants, dogs, and humans.