Kids intuitively pick up on bumping shapes together to change the background color. The key to solving each puzzle — each a different animal — is to think ahead.

Are puzzles good for your brain? Puzzles may be good for your brain, but scientists will have to do more research before they can say for sure. See, the brain is a complex organ.

Test Your Brain: Click here to try your hand at The New York Times' maze. We've all had those satisfying "aha!" moments -- while poring over a crossword at the breakfast table, or adding up the ...

New research suggests that when problem-solving, the brain can recognize when a strategy isn't working. In studying around 200 puzzle-takers with a computer model and functional MRI (fMRI) images, ...

Yes, your mind really is playing tricks on you. Check out these optical illusions and brain puzzles to learn how and why.

Research suggests that the idea of doing a puzzle shifts the brain into an open, playful state that is itself a pleasing escape.

According a recent study, the more people over 50 engage in games such as Sudoku and crossword puzzles, the better their brains function.

While this brain teaser may appear to be a simple series of equations, the solution lies in figuring out the relationship between the numbers.

Brain Teaser: This brain teaser is designed for high IQ individuals. Can you identify the four-leaf clover hidden in the puzzle?

Brain Teaser Answer In this brain puzzle, you have to spot the hidden F in the rows and columns of E. we know that it’s hard, however, if you look closer, you will notice the mistake in this ...