Have you ever wondered how clouds stay in the sky? Here's your answer, and by the way, the weight of an actual cloud might ...

Cumulus clouds, on the other hand ... This scattering makes them look bright and white against the blue sky. However, clouds can appear gray or dark when they are thick enough to block sunlight ...

I look at the sky full of bulging, bubbling, voluptuous, cumulus clouds, which will probably bring rain later. I’d grab the white first — of course. But then I’d reach for gray and mix it in various ...