Optical illusions come in all forms, from classic illustrations to minimalist modern art, but one category that continues to impress me is optical illusion photography. Often a result of confused ...

This optical illusion puzzle challenge will test your ability to observe. Take a close look at the picture. Has the cat been located? The first people to spot the cat will be those with the best eyes.

NASA astronaut Don Pettit has just shared a beautiful shot of the Grand Canyon captured from the space station during his ...

A mirror optical illusion, one of 80 mind-game exhibits at the Museum of Illusions, which will open May 23 in San Diego’s Gaslamp Quarter. (Illusion Photography) ...