Add Yahoo as a preferred source to see more of our stories on Google. Deepak Chopra says consciousness is like the mythical Hydra — answer one question and two more spring up. (Photo by Vivien ...

Studies show dogs experience REM sleep similar to humans, with brain activity suggesting they replay familiar experiences.

The prevailing consensus in neuroscience is that consciousness is an emergent property of the brain and its metabolism. When the brain dies, the mind and consciousness of the being to whom that brain ...

The science of consciousness has not lived up to expectations. Over the summer, the neuroscientist Christof Koch conceded defeat on his 25-year bet with the philosopher David Chalmers, a lost wager ...