Researchers at the Hong Kong University of Science and Technology (HKUST) School of Engineering have cracked a major ...

The family photographer basks in a few rare moments of adulation, which will evaporate in a nanosecond as soon as a camera ...

Recognize these 6 crucial early warning signs of diabetic eye disease before permanent vision damage occurs. Learn what ...

When sodium vapor street lamps were replaced by LEDs, soft yellow light was replaced by crisp white. But the change to purple was never supposed to happen.

It's not only caused by needing corrective lenses. Leading eye doctors share which conditions—big and small—can cause blurry ...

Learn why researchers say artificial light at night might contribute to sleep disruption, metabolic disorders, and even mood ...

I have to admit, this week's What's Up With That? query truly had me stumped. But it turns out blue streetlights are explainable, if not ideal.

An extended day in the sun can be anything but relaxing for those who develop polymorphous light eruption, an uncomfortable, ...