Many optical illusions leave us questioning our own eyesight, especially when we're convinced there's just one more number 8 ...

Think you have sharp eyes and a strong attention span? This optical illusion puzzle will put your brain to the test. Hidden ...

In this black and white sketch, we see a leopard comfortably perched upon a tree enjoying his afternoon siesta. Oblivious to ...

Optical illusions are captivating puzzles that make people question their own perceptions. These mind-bending visuals are not ...

Take this optical illusion challenge to test your IQ, attention to detail, and observational prowess. Only 5 seconds to solve ...

The level of detail and colour variation makes spotting the amphibian a real challenge. Many have scoured the image for ...

In case you are still not able to pinpoint the soldier, an old optical illusion trick might come in handy: take a step back, ...

What do you see first in this picture? Look closely and focus. What you notice first may reveal how you deal with life’s ...

This is a picture of a peacock, which looks pretty regular on first look. However, there is a face of a man hidden inside the ...

Of course, the part of the video that shows the pencil moving underneath the cube is down to clever editing (no-one's drawing ...

Thus, despite appearances, the elephant effectively has one intact leg, with the rest manipulated to create the illusion of ...

Physicists from the University of Vienna have for the first time reproduced the optical illusion known as the Terrell-Penrose ...