We’ve been looking at the wrong part of the eye. New research shows the earliest signs of Alzheimer's are hidden at the very edges of the retina.

Peripheral vision enables humans to see shapes that aren’t directly in our line of sight, albeit with less detail. This ability expands our field of vision and can be helpful in many situations, such ...

Winter roads can look calm and cinematic under a blanket of fog, but that stillness hides a serious risk. Fog doesn’t just reduce how far you can see straight ahead; it quietly interferes with ...