We stare at clouds all the time, whether trying to figure out what they look like or if they're bringing rain. Yet most of us know very little about clouds, let alone how to identify them. The World ...

When the clouds are thin and nearly opaque, it’s cirrostratus. When it's thicker and lower in the atmosphere, it is an altocumulus, and less sun will shine through. Trump says he’s ‘banning’ CNN, MS ...