New York — At the Museum of Illusions in New York City, around every corner is a wonder for the eyes. There's a vase that's a face, art that moves with you, and a room that seems to go on forever.

A guy moves transparent paper and what happens next could trick your eyes. Some cool kids with brussups made this video of illusions featuring transparent sheets moving over each other to create ...

Optical illusions are older than you think. The first optical illusions date back to 20,000 BC and took the form of cave sculptings. Nowadays they are found all over the place – on screens, in books ...

At first glance, a uniform array of the number '1' offers little intrigue, but delve deeper and you'll reveal a lone letter ...

Check out some of these optical illusions, below — and see how you perceive images placed before your eyes. Just how do optical illusions work? "From an evolutionary standpoint, optical illusion is ...

Optical illusions play on the brain's biases, tricking it into perceiving images differently than how they really are. And now, in mice, scientists have harnessed an optical illusion to reveal hidden ...