The peripheral drift illusion causes us to perceive motion in a still image. A new study shows that the mechanism of this illusion relies on changes in pupil size.

Today’s collection of mind-bending optical illusions and confusing-perspective photos is here to give your brain a workout.

Believe it or not, we've seen a few optical illusions in space over the year. Well, we haven't seen them – the Hubble ...

Earth crosses through Saturn’s “ring plane,” making the gas giant’s most iconic feature become nearly invisible ...

Find Saturn Rings To Disappear Latest News, Videos & Pictures on Saturn Rings To Disappear and see latest updates, news, information from NDTV.COM. Explore more on Saturn Rings To Disappear.

Optical imaging includes a variety of imaging techniques that rely on illumination light in the ultraviolet, visible and infrared regions of the electromagnetic spectrum. The term typically ...

Take a look at the picture given below, the image is of a board full of numbers. All the numbers are the same- 70. However, ...

Those who found it will have spotted the pet peeping out from behind a foxes head on the right side of the image. The cat is located less than halfway down, partially obscured by the skulk of foxes ...

Your time’s up! Spotted the pigs without hats yet? Or are you in need of some hints? For hints, all we can say is maybe try taking another good look! For this one, we can hardly give you any hint, or ...

Only those with a sharp eye and a strong focus can spot it within seconds. This optical illusion is a classic example of a visual puzzle that exploits the brain’s tendency to seek patterns. Our eyes ...