For the first time, the smallest control system of vision in mammals has been mapped—a discovery that opens entirely new insights into how our vision works and how it can be affected by disease.

Veins and arteries at the back of the eye have been found to carry not only blood but signals of vulnerability to dementia onset.The presence of potential early warning signs of cognitive decline in ...

A stunning new image from the James Webb Space Telescope (JWST) is allowing astronomers to examine the complex and turbulent final stages of a dying star's life.