The optical illusion has caused a stir among puzzle fans, with debates over what shapes can be seen in the sketch-like image ... a dog and a bone," reports the Mirror. A fourth person revealed ...

Almost nobody can work out which way Super Mario is going in baffling optical illusion. Sometimes the best optical illusions are the ones that leave us scratching our heads—and this mind-bending ...

Can you see the picture both in black and white and colour above? London-based illusion attraction Twist Museum has shared an optical illusion set to baffle readers, that tricks the mind into ...

Kevin Parry created a simple, yet maddening optical illusion: he made it look like ... that it required nothing more than an iPhone and a mirror. Story by Ian Phillips and editing by Carl Mueller ...

Tourists have been queuing out the doors for a chance to take a selfie in a mirror ... the example of drawing straight lines that converge at a single point to create the illusion of depth.