A group of scientists claimed they discovered a new color, but it can only be seen by getting shot in the eye with a laser.

An optical illusion showing an office scene puzzled users on Facebook as they struggled to count how many people were ...

Five scientists at the University of Berkely used laser technology to selectively activate cells in their retinas, to push the vision beyond its natural limits.

The specifics of the claim are contested, but the ability to precisely stimulate the retina with lasers is cool whether or ...

By stimulating thousands of individual cone cells, researchers made volunteers see a blue-green color of "unprecedented ...