Researchers at Princeton and North Carolina State University have developed a technique that substantially improves the ...

Einstein’s claim that the speed of light is constant has survived more than a century of scrutiny—but scientists are still ...

Physicists from Trinity College Dublin believe new insights into the behavior of light may offer a new means of solving one ...

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 ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. It’s becoming increasingly difficult to see stars in the ...

A light therapy lamp can help boost your mood, whether you are experiencing depression or your mood is simply worse than ...

Light plays an important role in many aspects of our lives, from our sleep cycles to mental health. If our bodies don’t get the proper light we need, it can cause a chemical change in the brain that ...