When I was a kid, there were nine planets. Now we know of thousands! But that includes exoplanets, alien worlds that orbit alien suns. Only eight planets call our solar system home. Or there might ...

Oh, we humans do love a cleanly defined boundary, don’t we? They make things easier, after all. If we’re trying to categorize something, knowing what labeled bin to put it in is handy. If we’re ...

Interest in renewable energy continues to rise as more solar panel arrays are mounted on roofs and the ground nationwide. Not all of these solar panel systems operate in the same ways, however. Some ...