A grayscale ballerina who appears to be moving. A human who can fit in a doll box. A black-and-white prism that appears to change shape when... Optical illusions are a brain feature, not a bug. Here's ...

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.

It's time now for our science news roundup from Short Wave, NPR's science podcast. I am joined by the show's host, Regina Barber, and producer Rachel Carlson. Good to have you both here. RACHEL ...

Optical illusions occur naturally in different habitats and conditions across the world. Cloud formations can sometimes make it seem like there's an ocean or a UFO in the sky. Whether it is salt flats ...

As part of the Art Lecture Series organized by Colgate University’s department of art, Lecturer in Art Jennifer Leibowitz ...

A new attraction on the Third Street Promenade is turning heads — and perspectives — as the Museum of Illusions officially opens its doors in Santa Monica. The immersive space spans 12,000 square feet ...

Everyone loves an optical illusion — even if they leave us completely stumped — and they're all around us in the natural world. From an underwater waterfall in the Indian Ocean to a surrealist scene ...