In a new optical illusion, dots appear purple in central vision but blue in peripheral vision. Here's how it works.

The average human eye can see as many as 10 million variations in color, according to some estimates, from purest gray to laser green. Now scientists say they’ve broken out of that familiar range and ...

Scientists have discovered a new color, but it can only be seen with the help of a laser. The new color is called 'Olo', which is a saturated shade of blue-green. The research was published in the ...

Researchers said they named the new species after the Venkatadri Hills where it was first discovered and, so far, the only ...