More than 2,000 navigational beacons, big and small, oversee the nation’s 60,000-mile-long coast. Now they need an upgrade.

PLUM ISLAND — For over 100 years the same Fresnel lens has been illuminating the land and sea surrounding the Plum Island Lighthouse.

Lighthouses have been fixtures along the SC coast for 2 centuries. Less than a dozen remain. Restoration is underway on the Hunting Island Lighthouse.

Get the best Canon lenses for your Canon camera. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Looking to upgrade your Canon camera ...

Standing tall against the Lake Michigan shoreline, Grosse Point Lighthouse isn’t just a beacon for ships – it’s a beacon of Illinois history hiding in plain sight in Evanston that most locals drive ...

FAIRPORT HARBOR, Ohio – The anniversaries of Fairport Harbor’s two historic lighthouses will be celebrated with a boat parade starting at 6 p.m. Saturday, Aug. 2.

PORT TOWNSEND — The United States Lighthouse Society will host an event Saturday to celebrate the restoration of Point Wilson’s historic 1879 Fresnel lens. The light from the Fresnel lens is replacing ...

Researchers have developed experimental contact lenses that use nanoparticles to convert the invisible wavelengths of near-infrared light into visible colors ...

Contact lenses have enabled people to see beyond the visible light range, picking up flickers of infrared light even in the dark – or with their eyes closed.

KEWEENAW COUNTY, MI – This historic 1800s lighthouse still lights the way for ships navigating around the rocky shoreline of Michigan’s Keweenaw Peninsula.

Crisp Point Lighthouse, located in Michigan's Upper Peninsula, opens for the season on Sunday, May 18. The remote lighthouse is accessible via dirt roads and is approximately 36 miles northwest of ...