There are countless types of optical illusions, from the cognitive to perplexing physiological tricks of the eye. A prime ...

Optical illusion puzzles assess intelligence and observational skills. Spotting a cleverly hidden deer within eight seconds ...

What do you see first? A flame or a penguin. The way your mind interprets an optical illusion can shed light on whether you ...

Join the top 3% by finding the hidden foxes in this tricky optical illusion IQ test puzzle. Are your observation skills sharp ...

Optical illusion personality tests, like the one shared by Bright Side, reveal hidden traits based on whether you first see a ...

Research shows that consistently tackling difficult puzzles can improve problem-solving abilities and focus, while these ...

Find out whether you're a left or right-brain person and what that actually means with this seemingly simple black and white ...

The Ames room is one of the most iconic real-world optical illusions, bamboozling audiences since the early 20th century.

This amazing optical illusion at a man's home in Guangdong, China on September 30 makes it appear as if fireworks are ...