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.

NORWICH, England — When radiologists examine medical scans, they look for subtle abnormalities that might indicate disease. This specialized training appears to have given them an unexpected advantage ...

The Best Illusion of the Year contest offers researchers, and participants, an opportunity to explore the gaps and limits of human perception. By Katrina Miller Take a look at this video of a waiting ...

Allen Institute researcher Jerome Lecoq points to one of the diagrams that was used in a study focusing on how the brain interprets optical illusions. (Allen Institute Photo / Erik Dinnel) Our brains ...