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,” ...

Now and then I have a sense of something shining, something that beckons. I can’t pin it down or fence it in. It’s certainly not going to fit in a neat little box. Words can’t fully contain or express ...

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.