Optical illusions have long intrigued humans by misleading our vision system into believing something that doesn't exist or is not the real thing. Ancient people believed that supernatural powers, ...

FOUND yourself at a loose end this bank holiday? We have just the thing to keep you and your brain busy. A new brainteaser is ...

THERE are many different types of brain teasers and optical illusions out there. Some can reveal hidden aspects of your ...

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 have been a brain teaser ... only keen-eyed individuals can spot the anomaly instantly. The 20/20s and individuals with high pattern recognition skills will be the most likely ...

Our today’s optical illusion is ready to challenge you to find the hidden number '92' within just five seconds. Surrounded by ...

In today’s optical illusion challenge, a vibrant cityscape hides a cleverly camouflaged black cat. Only 1% of viewers can ...

Like all the best optical illusions, it's a bit of a head-scratcher ... "The data used here were taken more than 20 years apart for two different observing programs — a real testament to ...

Optical illusions have long intrigued humans by misleading our vision system into believing something that doesn't exist or is not the real thing. Ancient people believed that supernatural powers ...