If you're waking up feeling groggy even after getting enough sleep, Dr. Fábio Luiz Vieira suggests trying this simple ...

You may have seen reports late last month about a new study showing how too much light at night is affecting birds — the latest sign of a problem that has implications for us, too. The study’s ...

Scientists have proven that on a clear, calm, totally dark night the light from a single candle can be seen 1.6 miles away.

Artificial light, while beneficial to humans, has disrupted the natural day-night cycle and created light pollution, negatively affecting wildlife. Humans also suffer from light pollution, ...

Good sleep hygiene calls for, among other things, a cool, dark and relaxing environment. It turns out the dark part is key to helping prevent heart disease. People who are exposed to more artificial ...

Researchers said in a study that even small increases in the brightness of the night sky can affect human sleeping rhythms.

Americans are losing their starry views to light pollution. But some communities are make lighting decisions to help preserve night skies – while benefiting wildlife and human health. Just a few ...