A new optical illusion excellently illustrates just how finicky our eyes are when it comes to perceiving colors.

Schulz-Hildebrandt, a biomedical optics engineer at Harvard Medical School, ran with his observation and developed an illusion that allows us all to see just how malleable our perception of color ...

Your brain is lying to you right now. Not maliciously, and not because something’s wrong with it. It’s doing exactly what evolution designed it to do, making split-second decisions about the world ...

A new optical illusion, shared by TikTok creator Mia Yilin, has gone viral across social media. According to a video posted ...

How many purple dots do you see in the image above? Are they all the same hue? This new optical illusion, developed by ...

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 ...

The entire universe may have an internal mind—or the whole idea of consciousness could be a sham. Here’s why scientists still ...