While new optical illusions go viral all the time, here are some of the most famous illusions that have kept us scratching our heads for years.

Today I learned that scientists study optical illusions. I always thought they were just for fun. A team of psychologists studied variations of this “expanding hole” illusion to determine what effects ...

Have you ever looked at the nighttime horizon and gasped at the sight of a spectacularly large moonrise? Typically, if you glance up at the sky hours later, the Moon will seem to have shrunk. Dubbed ...

If you have never seen an optical illusion, it is an image that makes you see things differently than they actually are. Optical illusions trick your eyes into believing you see something that is not ...

Time anxiety has made us accustomed to living this way, caught up with deadlines to meet and assignments to complete. Our ...