Gerry Cantwell was the last keeper of the oldest surviving lighthouse in Newfoundland and Labrador. His family took care of ...

What a blind person sees depends on the extent of their vision loss. This article explains when blind people see colors and ...

The sunglasses I tested and recommend fall into two pretty distinct categories: technical wraparound running models, and more ...

An Optometrist Is Begging People To Stop This Common Habit ASAP originally appeared on Parade. Parade aims to feature only ...

For people diagnosed with macular telangiectasia type 2 (MacTel)—a rare and slowly progressing retinal disease—there have ...

The first state park in Kansas or Missouri to earn recognition from Dark Sky International is fixing lights that cause ...

Bay Area astronomers say a severe geomagnetic storm could cause the northern lights to appear over the Bay Area again.