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 ...

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

Ah, optical illusions. It seems the internet's appetite for having its collective mind boggled by all manner of brain-twisters will never abate – but it isn't every day that we see illusions as ...

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