The black hole in this optical illusion isn't really expanding, but your brain might assume otherwise.
Figure skaters have the same neurological processes that cause dizziness in the rest of us. Here’s how they counteract them.
Scientists aren't sure why our eyes move so much during REM sleep, but it may have something to do with an animal's ability to defend itself against predators.
Are ghosts real? The friendly little guy in this hidden image puzzle is, and he wants to wave hello.
The scent of a pumpkin spice latte is the smell of autumn to many people, thanks to how the brain perceives odor.