Curious images known as optical illusions prove seeing isn't always believing. Oct. 13, 2009— -- Look at an optical illusion and you may think you're seeing things -- such as a curved line that's ...

A new optical illusion is going viral online, forcing people to put on their thinking caps to solve the puzzle. It shows three straight horizontal lines stacked vertically and asks a basic question: ...

If there's one thing the internet loves, it's a good optical illusion. The most recent brain-boggling viral hit is this deceptively simple purple elephant illusion that appears to transform right ...

With a new series of experiments, scientists from the Massachusetts Institute of Technology say they have a better idea why we fall for a very old optical illusion called simultaneous brightness ...

You look at an image of a black circle on a grid of circular dots. It resembles a hole burned into a piece of white mesh material, although it’s actually a flat, stationary image on a screen or piece ...

If you have never seen an optical illusion, it is an image that makes you see things differently than they actually are. Optical illusions trick your eyes into believing you see something that is not ...

A video showing an unexpected optical illusion captured in a parking lot in Florida has gone viral on TikTok. The clip was shared by @amymcgrif and has garnered 8.3 million views since it was posted ...

Hidden number and letter optical illusions are some of the most satisfying puzzles because they look unbelievably simple until you actually try them. In this challenge, you are shown a neat grid ...

A new online optical illusion challenges viewers to spot the hidden word 'hand' amidst a sea of 'hadn'. This visual puzzle exploits how our brains process patterns, often causing us to overlook subtle ...