A contest to design a sound-only magic trick could help psychologists learn about differences between visual and auditory perception.

A new optical illusion challenges readers to spot three subtle differences in two nearly identical images within 11 seconds.

You have to see it to believe it—or not. Welcome to Where to Wander, our selection of the best under-the-radar destinations ...

Why do so many people draw the Transamerica Pyramid wrong? As it turns out, the building plays a surprising trick on your brain.