Bruce Handy, Lisk Feng and Cat Min present shadows for what they are: the non-nefarious interplay of light and dark. By Leigh Ann Henion Leigh Ann Henion is the author of “Phenomenal: A Hesitant ...

When Innocent James completed his chores after school, he would light a kerosene lamp and lay down to read his books. There was no electricity in James’ part of Arusha, a region in northern Tanzania, ...

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For billions of years, life has depended on Earth's rhythm of day and night. DNA codifies body clocks in all animals and plants, which helps their cells act according to this cycle of light and dark.

We’re ready to shed some light on this sweet topic. Andee Gosnell is a San Francisco born, Birmingham-based food photographer, writer, and recipe developer with five years experience who loves cooking ...

Diet, exercise, sleep — all are fundamental to our health, but our relationship to light doesn't get mentioned as much. Now, a massive new study suggests light-driven disruption can take years off our ...

Editor’s Note: Call to Earth is a CNN editorial series committed to reporting on the environmental challenges facing our planet, together with the solutions. Rolex’s Perpetual Planet Initiative has ...

When two or more light waves interact with one another, they result in the formation of different interference patterns. British physicist Thomas Young first demonstrated and explained these patterns ...

As dark sky sanctuaries grow in popularity, scientists are revealing more of the benefits of darkness—from repairing DNA to improving your mental health. A panorama of dark skies over the desert ...