Researchers in Japan built a miniature human brain circuit using fused stem-cell–derived organoids, allowing them to watch ...

The human brain contains about 86 billion neurons. These cells fire electrical signals that help the brain store memories and send information and commands throughout the brain and the nervous system.

CAMBRIDGE, MA -- The human brain contains about 86 billion neurons. These cells fire electrical signals that help the brain store memories and send information and commands throughout the brain and ...

Recent work has revealed some of the many crucial functions of astrocytes, brain cells that were once thought to play primarily supportive roles for neurons. Astrocytes do handle debris around neurons ...

Your brain is wrinkled like a walnut, and those wrinkles aren't just for show. Each fold increases the amount of surface area ...

Following a stint in space as short as a few weeks, astronauts can develop measurable changes in the very shape of their ...

"Understanding how spaceflight impacts the human brain is crucial as space exploration and tourism expand," a ...

Tal Sharf (right, senior author), Tjiste van der Molen (middle, postdoctoral researcher), and Greg Kaurala (left, staff researcher). Humans have long wondered when and how we begin to form thoughts.

Exercise made 40-year-olds' brains look younger in 12 months, but the biological mystery remains: fitness gains didn't ...