Light is part of various disciplines, shaping the world as we know it. In physics, it serves as a measure of speed and makes vision, and the recording of images by the eye and camera lens possible.

After sifting through possible names for this blog, I settled on Light and Shadow—not Light and Darkness, not Black and White. My first entry, “Surprised by the Light: Lessons from a Junkyard,” ...

Light is something we use and need every day. It is a form of energy that allows us to see all around us! Lots of different sources produce light. Earth's main source of natural light is the Sun. At ...

This activity is part of the Science Friday Sun Camp collection! For 4.5 billion years, the Sun has generated energy to power the solar system. Visible light is the most obvious form of that energy.

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 ...