Can you be ticketed in Florida if you flash your lights to warn other drivers there are cops ahead? What to know.

User error and poor maintenance are among the concerns readers pointed out about brighter, modern headlights.

A co-worker shared how he had just switched his headlights to LEDs and learned more about lens maintenance. He said if ...

Night driving has quietly turned into a high‑stakes stress test for the human eye. As automakers have chased brighter beams ...

Light can be sculpted into countless shapes. Yet building optical devices that can simultaneously manipulate many different ...

Citroen has recalled the C5 X three times, all because of possible fuel leaks under the bonnet, which could lead to a fire.

The best bike lights help you see, be seen, and stay safe when cycling at night. Our expert Will has over a decade of night-riding experience, and here are his favourite lights and his guide on how to ...

EXPERIMENTS, made at the National Physical Laboratory, comparing the revealing power of white and coloured headlight beams in fog, are described by Dr. W. S. Stiles in the Illuminating Engineer of ...

The Insurance Institute for Highway Safety (IIHS) reports that while complaints are on the rise from drivers about blinding headlights, glare only causes “a tiny fraction” of nighttime crashes.

Glare is implicated in a small fraction of nighttime crashes, but that percentage has not changed much over the past decade, according to a new study. Headlights have gotten much better at lighting ...

Yes, misaligned headlights are a menace, and yes, you can adjust them yourself. It's actually a straightforward DIY job and will save you a trip to the shop. All it takes is a screwdriver and some ...

President Trump’s tariffs—some of which he has now paused—were always a risky business. The president and his advisers should beware breaking the imperfect system of global trade; they won’t be able ...