In the brain of a singular fruit fly, nerve cells weave themselves together, enabling flight, mating, eating, sleeping and every other activity of her fly life. Now, in nine papers published October 2 ...

When the body runs low on protein, the gut sends powerful signals to the brain that reshape cravings and push animals to seek essential amino acids instead of sugar. Researchers say this newly ...

For much of the 20th century, scientists believed that the adult human brain was largely fixed. According to this view, the brain developed during childhood, settled into a stable form in early ...

Scientists achieved “a milestone” by charting the activity and structure of 200,000 cells in a mouse brain and their 523 million connections. A neuron extends an axon to make contact with other ...

In findings that raise a variety of questions about how our brains work, and even about the nature of consciousness, UC Santa Barbara researchers and collaborators report that only a small section of ...

Lab-grown “reductionist replicas” of the human brain are helping scientists understand fetal development and cognitive disorders, including autism. But ethical questions loom. Brain organoids, which ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Using a speck of ...

For much of the 20th century, scientists believed that the adult human brain was largely fixed. According to this view, the brain developed during childhood, settled into a stable form in early ...