Scientists around the world investigate how bat immune systems cope with viral attacks and how this information could be used to keep humans safe.

Small RNAs called piRNAs provide a first line of defense against the viruses.

Recent advances in modeling the human placenta, the least understood organ, may inform placental disorders like preeclampsia.

Conversations between the immune and central nervous systems are proving to be essential for the healthy social behavior, learning, and memory.

Studying the earliest events in visual development, Carla Shatz has learned the importance of looking at one’s data with open eyes—and an open mind.

With human research trials resulting in dozens of successful deliveries in the US and abroad, doctors move toward offering the surgery clinically, while working to learn all they can about uterine and transplant biology from the still-rare procedure.

Researchers track the evolution of HIV in a single patient to understand what drives the production of broadly neutralizing antibodies.