New studies from Germany and Hong Kong pinpoint specific sources of light pollution keeping our cities excessively bright at ...

Light pollution has devastating effects on the ocean's marine life. We spoke to an expert to find out how serious it is, and ...

Perovskite is a rising star in the field of materials science. The mineral is a cheaper, more efficient alternative to ...

When millions of people turn off their lights for Earth Hour each year, something remarkable happens in the night sky above cities. New research from Hong Kong published in Scientific Reports shows ...

Other light sources, such as bright floodlights and illuminated doorbells to decorative lights in yards and gardens, made up about a quarter of the lights observed.

Miniaturization and weight reduction of medical wearable devices for continuous health monitoring such as heart rate, blood ...

City planners trying to reduce night-time light pollution may be massively underestimating the amount of light to which people and wildlife are exposed. A study assisted by the University of Galway ...

Fact-checkers may have a new tool in the fight against misinformation. A team of Cornell University researchers has developed a way to “watermark” light in videos, which they can use to detect if ...

These light sources will work at the same wavelengths used in fiber-optic communication, making them ideal for future quantum technologies like secure communication and powerful computing.

Blue light comes naturally from the sun, the biggest source of blue light we consume, but it can also come from artificial sources like smartphone screens, televisions and fluorescent and LED lights.