To make matters worse, modern society's electric light and bright screens at night trick our body clock into thinking it is ...

The days of holding a mini-Maglite in your mouth and shining it down on a paper sectional are gone thanks to the iPad's ...

Study participants wore trackers on their wrists to measure their activity levels and sleep patterns. We found that people exposed to more hours of blue light in the morning had better sleep and more ...

Nyctophobia, or an extreme fear of darkness, affects both children and adults, often stemming from past trauma, anxiety ...

So, how will that change when it gets light and dark each day? Take a look: When is daylight saving time? Time change: Daylight ...

Promising review: "This helped my 19-month-old son sleep through the night when he was having a high fever. This is ...

As well as some of the darkest skies on the U.S. East Coast, it's also the nation's southernmost point. At 24.5 degrees north ...

April brings some spectacular targets for astrophotographers, chief among them a string of galaxies that pop into view. It’s ...

Euclid, a European space telescope, just captured 26 million galaxies to reveal the secrets of the dark universe.

Joanne Collins, who organised the “Stop the 50m Stadium Lights at Junction Oval” petition, said residents were initially ...

That magical square that may say Equinox — equal light and dark. Officially it is “one of two times a year when Earth's axis is tilted neither toward nor away from the sun, resulting in roughly equal ...