Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. The ancient Egyptian "Eye ...

Of all human bodily organs, the eye is especially alluring. Seemingly alive as it twitches to and fro within the socket, the eye permits sighted interaction with the physical world and allows us – in ...

Simple communication between a pair of neighboring cells allows tiny marine worms to move toward light using a sensory organ believed to be an ancient precursor of the eye, according to a study out ...

Karthik Shekhar and his colleagues raised a few eyebrows as they collected cow and pig eyes from Boston butchers, but those eyes—eventually from 17 separate species, including humans—are providing ...

Light from a distant galaxy can be strongly bent by the gravitational influence of a foreground galaxy. That effect is called strong gravitational lensing. Normally a single galaxy is lensed at a time ...