The Hubble Space Telescope captured an image of a star and a spiral galaxy, both in the constellation Virgo. But the photo is an optical illusion.

A tricky optical illusion shared on Reddit stumped users as they tried to find a woman camouflaged in a rocky landscape. Brain teasers come in many forms—some challenge our mathematical skills ...

THINK you’ve got yourself all figured out? This clever optical illusion might just make you reconsider. The tricky brain teaser shows what appears to be a face in sea of blue. If you saw the ...

But since the star is in an entirely different galaxy, their proximity is an illusion. Like all the best optical illusions, it's a bit of a head-scratcher. Credit: NASA And it turns out the image ...

Test your visual acuity with this engaging optical illusion! Hidden within a bustling classroom scene, a pair of glasses awaits discovery. Sharpen your focus and attention to detail to spot them ...

ONLY the most eagle-eyed will be able to spot the hidden butterfly in this spring brainteaser. Put your mind to the test with ...

Optical illusions are tricky images that test how we experience and perceive the world around us. These illusion pictures help us understand how the brain processes complicated visual information.

Optical illusion challenge questions have emerged as the most sought-after challenge on the web. These astounding photographs not just amuse but also challenge your eye strength and intelligence ...