Light pollution, or artificial light at night (ALAN), is a widespread phenomenon in areas with dense human populations.

Even at night, the lights always stay on in some places. Street lamps, roadway lighting, and illuminated signs can make roads ...

One of the basic services provided by local government units from the municipal to the barangay level is streetlights. Proper lighting at night is essential for ...

Bright afternoon and early evening light exposure in adolescents leads to lower melatonin levels and delays circadian rhythms ...

Light exposure at night may disrupt our body's internal clocks, or circadian rhythms, that keep physiological processes ...

Even low levels of light at night in the bedroom while you sleep may have major adverse effects on your health.

In his new book '52 Assignments: Night Photography', award-winning astrophotographer Josh Dury invites you to raise your lens ...

Blue light -- the kind from your smartphone, tablet, TV, and even energy-efficient light bulbs -- can lead to a range of health issues. Here are a few tips to ward off blue light’s effects.

At its core, artificial light at night (such as from street lights) masks natural light cycles. Its presence blurs the transition from day to night and can dampen the natural cycle of the moon ...

Light pollution is harming our health As nights have gotten brighter, the list of health problems linked to artificial lighting has gotten longer, from insomnia to cancer.

Light pollution is brightening up the night sky so fast that stars are virtually disappearing in front of sky-watchers' eyes, a new study has revealed.