Tucked away in the northwestern corner of Illinois, where limestone cliffs embrace a winding river and urban chaos dissolves into woodland serenity, Apple River Canyon State Park waits like a ...

First, let's explain why we see the color blue in the sky as opposed to other colors. The sun actually emits a 'white' light ...

It rains on the sun, and thanks to researchers at the University of Hawaiʻi Institute for Astronomy (IfA), we finally know ...

For centuries, stories about will-o’-the-wisps have captured the popular imagination. Countless tales have been told to ...

The hemispheric symmetry in spreading reflected light took a hit recently, and the reflection of much less light than before ...