Many folks believe that a green sky is always a sign of an incoming tornado, but is that always true, or does it mean something else?

That's why, when the sky changes to something different, like yellow, green, or red, it can be unsettling. Thankfully, the ...

The whole dome of night sky was awash with color: cascades of yellow-green and blushes of crimson fanning from a darker point high overhead. As they fell in broad rays, they shifted and changed in ...