An optical illusion is a visual phenomenon where the brain perceives an image differently from how it physically exists. These illusions occur due to the way our eyes and brain process light, colour, ...

Here we are with another challenge. This might seem an easier optical illusion, but many have failed to find the right answer within the given time period. The challenge is to identify 690 in this ...

"If the moon and a planet are near Castor and Pollux you have an impressive show." From our earthly perspective, the moon and Mars will appear closest to each other at around 8 p.

An curved arrow pointing right. A popular illusion online has people scratching their heads. The trick involves taking one giant chocolate bar, cutting it into pieces, and shifting them around ...

From the famous “impossible triangle” to images that seem to ... And to help you test your observation skills, a new optical illusion is growing rapidly. This time, the challenge is to find ...