Add Yahoo as a preferred source to see more of our stories on Google. In late 2005, five months after a car accident, a 23-year-old woman lay unresponsive in a hospital bed. She had a severe brain ...

"Theories are like toothbrushes," it's sometimes said. "Everybody has their own and nobody wants to use anybody else's." It's a joke, but when it comes to the study of consciousness—the question of ...

Consciousness remains science’s greatest mystery. A new study explores how it arises—and why solving it could reshape ...

Scientists still don’t know how the brain turns physical activity into thoughts, feelings, and awareness—but a powerful new tool may help crack the mystery. Researchers at MIT are exploring ...

Is your cat or dog conscious? What about fish? Or honeybees? How would you even know? Paula Droege, a philosopher at Pennsylvania State University, regularly wrestles with how to investigate these ...

The origin of consciousness has teased the minds of philosophers and scientists for centuries. In the last decade, neuroscientists have begun to piece together its neural underpinnings—that is, how ...

As AI—and the ethical debate surrounding it—accelerates, scientists argue that understanding consciousness is now more urgent than ever. Researchers writing in Frontiers in Science warn that advances ...