The 'silent' X chromosome within female brains may not be so silent after all. A new study has found evidence in both mice and humans that as we age, 'sleeping' X chromosomes can be 'awakened' in ...

I've always wondered what exactly happens inside my brain after a sleepless night. Why does everything feel harder—thinking ...

Your brain is currently expending about a fifth of your body's energy, and almost none of that is being used for what you're ...

A new study finds that looking at something and imagining it triggers the same exact process in the brain. It's also very similar to the process artificial intelligence uses to create an image.

As a gifted science communicator, Grace Huckins — a lecturer in the Civic, Liberal, and Global Education Program at Stanford University and a freelance science writer — recently won The Nine Dots ...

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 ...

Researchers have a new hypothesis for how brain cells called astrocytes might contribute to memory storage in the brain. Their model, known as dense associative memory, would help explain the brain's ...

Serotonin from antidepressants may amplify tinnitus, offering insight into why ear ringing can worsen during treatment.

Parkinson's disease does more than cause tremor and trouble walking. It can also affect sleep, smell, digestion and even thinking. A brain circuit tied to emotion may lead to better treatments for ...

Parkinson's disease does more than cause tremors and trouble walking. It can also affect sleep, smell, digestion and even thinking. NPR's Jon Hamilton reports on new research suggesting that's because ...

Parkinson's disease does more than cause tremor and trouble walking. It can also affect sleep, smell, digestion and even thinking. That may be because the disease disrupts communication in a brain ...